unsure /ˌʌnˈʃɚ/ adjective Learner's definition of UNSURE
[more unsure; most unsure]
: not certain about something : not sure无把握的;不确定的 -
He was unsure whether she had reserved a room or not.他不确定她是否已预订了房间。
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I'm unsure about the offer.我对这份邀约不太确定。
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He seemed unsure of what to say.他似乎很犹豫该说什么。
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We're unsure (of) how to proceed.对于怎样继续进行我们还不能确定。
unsure of yourself
: not confident about what to do or say不自信 -
She was unsure of herself as a child.她小时候不自信。
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I felt a little unsure of myself when I started the job, but things are better now.刚开始做这份工作时我有点儿不自信,但现在情况好多了。