Persist (or: Persevere) in Reading English Materials Persist (or: Persevere) in Reading English Materials

“Persist” is OK, but “persevere” would sound more natural.

Persistence in Reading English Materials Persistence in Reading English Materials

I've been persistent in reading English technical materials for several weeks, such as Java officials Java documents,ation and researching issues on Google Gemini in English. I've been persistent in reading English technical materials for several weeks, such as official Java documentation and researching issues on Google Gemini in English.

Your sentence is correct, but rephrased it to sound a bit more natural! I'd also suggest "diligent" instead of "persistent", the latter has a slight connotation of persisting against a force, whereas "diligent" is more generally hard-working.

I've been persistent in reading English technical materials for several weeks, such as Java officials’ documents, researching issues on Google Gemini in English. I've been persistent in reading English technical materials for several weeks, such as Java officials’ documents, researching issues on Google Gemini in English.

“Java officials” are government officials who work in Java, an island in Indonesia. Is this what you mean? Or are you referring to the Java programming language?

I've been persistent in reading English technical materials for several weeks, such as Java officials Java documents, and researching issues on Google Gemini in English. I've been persistent in reading English technical materials for several weeks, such as official Java documents, and researching issues on Google Gemini in English.

At first, it was really hard for me to understand the words and sentences, because lots of vocabulariesy and sentence structures were really unfamiliar to me. At first, it was really hard for me to understand the words and sentences, because lots of vocabulary and sentence structures were really unfamiliar to me.

At first, it was really hard for me to understand the words and sentences, because lots of vocabulariesy and sentence structures were really unfamiliar to me. At first, it was really hard for me to understand the words and sentences, because lots vocabulary and sentence structures were really unfamiliar to me.

“Vocabulary” is an uncountable collective noun.

At first, it was really hard for me to understand the words and sentences, because lots of vocabulariewords and sentence structures were really unfamiliar to me. At first, it was really hard for me to understand the words and sentences, because lots of words and sentence structures were really unfamiliar to me.

"vocabulary" = a collection of words (especially when describing the words you know) "vocabularies" = multiple collections of words The plural form "vocabularies" is usually only used in either technical contexts or when comparing languages.

I didn't give up as I indeed wanted to speak fluent English and work abroad. I didn't give up as I indeed want to speak fluent English and work abroad.

Until nowSince then, one month has passed and I can read and understand technical English materials easier than before. Since then, one month has passed and I can read and understand technical English material easier than before.

Until nNow, one month has passed and I can read and understand technical English materials easier than before. Now, one month has passed and I can read and understand technical English materials easier than before.

Until now, one month has passedIt's been one month and I can read and understand technical English materials easier than before. It's been one month and I can read and understand technical English materials easier than before.

"Until now," at the start of the sentence leaves people describing an action, in particular an action that is now over.

Although I can't remember all the vocabulariesy after reading the materials, but I can recognize and understand them via context in other materials. Although I can't remember all the vocabulary after reading the materials, I can recognize and understand them via context in other material.

Since you use "although", you don't need to use "but" in the following phrase.

Although I can't remember all the vocabulariesy after reading the materials, but I can recognize and understand them via context in other materials. Although I can't remember all the vocabulary after reading the materials, I can recognize and understand them via context in other materials.

Although I can't remember all the vocabulariewords after reading the materials, but I can recognize and understand them via context in other materials. Although I can't remember all the words after reading the materials, I can recognize and understand them via context in other materials.

"Although" removes the need for "but"