From this point, theThere is not exactly an English article is equivalent to the Chinese modal particle “了”. There is not exactly an English article equivalent to the Chinese modal particle “了”.

I am just guessing what you are trying to say. I hope this helps!

Chinese people have some magicuse “了” in a "magic" way that I can’t understand to easily use “了”.easily be explained. Maybe this detailedlevel of grammar detail can’t be learned from theory, but learn it by youronly through writing practice. Chinese people use “了” in a "magic" way that can’t easily be explained. Maybe this level of grammar detail can’t be learned from theory, but only through writing practice.

I'm guessing again. I wish I understood some Chinese.

If I told Chinese people that the word “了”is difficult to master, they would definitely don’not think so and say "it is not that tough." If I told Chinese people that the word “了”is difficult to master, they would definitely not think so and say "it is not that tough."