有许多生词我还不太了解如何翻译

I have lots of unfamiliar new words.
I am still not familiar with many new words.
I have lots of new words which I don't know too much.

如果是考试的时候只能猜了
联系上下文 好好看看 可能那个单词不重要
平时的 就查查字典什么的多积累点

I still do not know many of new words

去查字典啊