ONE PHRASE, IN CONTEXT
不确定；没有把握
GET TO KNOW THE MEANING
IN A SENTENCE
I'm not sure whether the museum café is open on Mondays.我不确定博物馆咖啡馆周一是否营业。
I'm not sure whether the museum café is open on Mondays.
我不确定博物馆咖啡馆周一是否营业。
