不见得

不得 bùdé #5,068

must not / may not / not allowed to

不见 bùjiàn HSK 6 #2,001

to not see; to be missing / to have disappeared; to be gone

怪不得 guàibude HSK 7 #6,003

no wonder / so that's why

不得已 bùdéyǐ HSK 7 #10,156

to have no choice but to / to act against one's will / out of necessity

恨不得 hènbude HSK 7 #10,549

to wish one could / to be dying to / if only one could

巴不得 bābudé HSK 7 #13,605

to eagerly wish for; to be dying to; can't wait to

不得而知 bùdé'érzhī HSK 7 #21,995

unable to find out; unknown / impossible to know

得不偿失 débùchángshī HSK 7 #35,546

the gains don't make up for the losses / not worth the cost / more trouble than it's worth

哭笑不得 kūxiàobùdé HSK 7 #37,414

to not know whether to laugh or cry / to find something both funny and frustrating

不得不 bùdébù HSK 3 #1,088

have no choice but to / have to