Chinese phrase
我不确定 wǒ bú què dìng
Meaning
I'm not sure
When to use it
Shows that the speaker is not certain. It is a common, neutral reply when an answer or situation is unclear.
Example dialogue
你后天有空吗？ nǐ hòu tiān yǒu kòng ma
Are you free the day after tomorrow?
我不确定，可能要加班。 wǒ bú què dìng kě néng yào jiā bān
I'm not sure. I may have to work late.