assure
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to tell someone confidently that something is true, especially so that they do not worry
(尤指為消除其憂慮而)確定地對(duì)…說(shuō)，向…保證，使確信;讓…放心
She assured him (that) the car would be ready the next day.
她向他保證說(shuō)他得車第二天就能修好。
You can rest assured that I shall be there as promised.
你放心，我答應(yīng)了就一定會(huì)到得。
