One of my big challenges toin learning English is vocabulary and word synonyms.

"Synonyms" has to be in the plural form.

When I tried to challengeing myself to read "The Economist", I found many difficult words that II had never heard before.

But when I tried to search for the meaning of those difficult words in a/the dictionary, I found that those words have a simple meaning, so I need to fill my vocabulary with difficult words too.

When I was searching on how to learn vocabulary easily on Youtube, I found that many people usinge Anki to learn vocabulary.

With Anki I learn thoseat vocabulary easily by writeing the difficult word in the front of the card and the meaning ion the back(side) of the card.

I hope with this app; I can learn many difficult words easily. (You could say: "I can learn a lot more difficult/advanced(better use advanced) vocabulary.")

OPTION A: Finding thea new software called Anki¶
OPTION B: Discovering Anki, a new software that fosters memorizing ¶
OPTION C: Discovering Anki, a memorization software

One of my big challenges tohas been learning English is vocabulary and word synonyms.

NOTE: You can safely the word "word."

When I tried to challenge myselfMORE SUCCINCTLY: When trying to read "The Economist", I found many difficult words that I never heard beforeencounter many unfamiliar words.

But when I tried to search the meaning of those difficult words in dictionary, I found thatCLEARER: Often those words have a simple meanings, so it is clear that I need to fillexpand my vocabulary with difficult words too.

When (I was) searching on how to learn vocabulary easily on YoutTube, I found that many people usinge Anki to learn vocabulary.

NOTE: You can delete the phrase "I was."

Anki is an app that has a function similar to theLSO POSSIBLE: Anki can be likened to a digital flashcard.

With Anki, I can learn those vocabulary easily by write theing difficult words in the front of the card and the meaning in the back of the card.

I hope to expand my vocabulary with this app; I c and learn many difficult words more easily.

Finding thea new software called Anki

One of my big challenges toin learning English is vocabulary and word synonyms.

When I was searching on howfor ways to learn vocabulary easily on Youtube, I found that many people are using Anki to learn vocabulary.

Anki is an app that has a function similar to the flashcards.

With Anki I can learn those vocabulary easily by writeing the difficult word ion the front of the card and the meaning ion the back of the card.

I hope with this app; I can learn many difficult words easily.

A semicolon here doesn't work as it makes each clause read as incomplete.

Finding the nNew sSoftware cCalled Anki

Important words in a title have a capital letter.

One of mythe big challenges tof learning English is vocabulary and word synonyms.

When I tried to challenged myself to read "The Economist", I found many difficult words that I never heardseen before.

"seen" or "heard of"

But when I tried to search the meaning of those difficult words in a dictionary, I found that those words have a simple meaning, so I need to fill my vocabulary with difficult words too.

When I was searching onfor how to learn vocabulary more easily on Youtube, I found that many people using Anki to learn vocabulary.

Anki is an app that has a function similar to the flashcards.

With Anki I learn thoseis vocabulary more easily by writeing the difficult word ion the front of the card and the meaning ion the back of the card.

I hope with this app; that I can learn many difficult words easily.

Finding the nNew sSoftware cCalled Anki

One of my big challenges towhen learning English is vocabulary and word synonym.s.

But when I tried to search the meaning of those difficult words in the dictionary, I found that those words have a simple meaning, so I need to fill my vocabulary with difficult words too.

Anki is an app that has a function similar to the flashcard.s.

Sounds more natural but original is grammatically correct.

With Anki I learn those vocabulary easily by writeing the difficult word ion the front of the card and the meaning ion the back of the card.

The preposition “on” is most of the time when talking about writing on flat surfaces (flashcards/computers/sheet of paper). “In” is used for things with dimension (books/notebooks/journal).

I hope with this app; I can learn many difficult words easily.

One of my biggest challenges to learning English is vocabulary and word synonyms.

To sound more natural you could say one of the big challenges for me, or one of my biggest challenges

But when I tried to search the meaning of those difficult words in the dictionary, I found that those words have a simple meaning, so I need to fill my vocabulary with difficult words too.

Anki is an app that has a function similar to the flashcards.

With Anki I learn those vocabulary easily by writeing the difficult word in the front of the card and the meaning in the back of the card.