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。