Eng: Not necessarily

那可不一定

Not necessarily, That isn't

Definitely, Indefinite, Not certain, Not definite, Probably, Unsure

不見得

Not necessarily

Didn't see

不過倒也未必

Not necessarily, Perhaps not

But, Contrary to what, Except, Merely, Not bad, Only, Though

不一定能

Can't necessarily, May not, Not necessarily

Definitely, Indefinite, Not certain, Not definite, Probably, Unsure

未必

Not necessarily

也不見得

Not necessarily