unsure例句

The evening show was terrible, with hesitant unsure performances from all.
晚上的演出很糟,所有人都缩手缩脚,显得很不自信。

Scientists are becoming increasingly unsure of the validity of this technique.
科学家们越来越拿不准这一技术是否正当合法。

Fifty-two per cent were unsure about the idea.
五成二的人对这个想法存有疑虑。