not know the half of it
US /nɑt noʊ ðə hæf əv ɪt/
UK /nɑt noʊ ðə hæf əv ɪt/
1.
不知道其中一半, 不了解全部情況
to not know the full extent or all the details of a situation, especially one that is more serious or complicated than it appears
:
•
You think my job is tough? You don't know the half of it!
你覺得我的工作很難？你根本不知道其中一半！
•
She's been through a lot, but her friends don't know the half of it.
她經歷了很多，但她的朋友們根本不知道其中一半。