英単語は、似ている単語は区別しておぼえましょう。
たとえば綴りが似ているdifficult とdifferent, 日本語の意味が同じspeak, tell,  talk ,  日本語の意味が似ているbe made of, be made from などですね。

 

This question is too difficult to answer.

Your ideas are different from mine.

 

Will you speak more slowly?

Tell me about your country.

What are you talking about?

 

This desk is made of wood.

Wine is made from grapes.