不知道

• be insensible of
• be ignorant of
• in the dark
• be unaware of
• hear nothing of
• know nothing of
• knew nothing of
• known nothing of
• a stranger to
• unaware of
• dunno
• ignorant of

例句

1. 我们不知道这些鸟如何找到它们的路。
   We have no idea how the birds find their way.
2. 有些人因不知道如此重要的一件事而颇感自豪。
   Some people are rather proud of being ignorant of such an important matter.
3. 说自己不知道规则是不能成为藉口的。
   To say you were ignorant of the rules is no excuse.
4. 我对这件事完全不知道。
   I am utterly in the dark about the matter.
5. 我不知道这事。
   I'm quite in the dark about it.