他不知如何是好的英文

he didn't know what to do

• 他:    he
• 不知如何是好:    not know which way ...
• 不知如何是好:    at loose ends abou ...

例句与用法

1. He did n't know what to do .
   他不知如何是好。
2. Facing thees numerous and complicated molecular formula , he doesn ' t know what to do , because he is a layman to them . his major is art
   面对着这些纷繁的分子式，他不知如何是好，因为他对它们一窍不通，他是学艺术的。