确信英语短语是:be sure;certain of ;make sure;be sure of;be convinced of 。
扩展资料
He might get there in time, but I can't be sure.
他有可能准时到达,但我不敢肯定。
Be sure to give your family my regards.
务必代我向你的家人问好。
Even if you did see someone, you can't be sure it was him.
即使你确实看见有个人,也不能保证那就是他。
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