不一定
bù yīdìng
not necessarily
这不一定是真的。
This is not necessarily true.
informal
Not necessarily; possibly not; maybe not
他不一定会来。
He may not come.
这个结果不一定准确。
This result may not be accurate.
Used to express uncertainty or possibility that something may not happen or be true.
Related Phrases
Pro Tip
Usage Tip
Use '不一定' to express uncertainty or possibility that something may not happen or be true.
Word Origin
Combination of 不 (not) and 一定 (certainly), forming a phrase to express uncertainty.
Usage Notes
Often used to soften statements or express that something is not guaranteed.
Word Breakdown
不
not
prefix一定
certainly
root汉英词典