| 释义 |
●be sure to do sthused to tell sb to do sth 一定要，务必（去做某事）◆Be sure to give your family my regards. 务必代我向你的家人问好。 HELP In spoken English and plus another verb can be used instead of to and the infinitive. 口语中，可用 and 加动词代替带 to 的不定式◆Be sure and call me tomorrow. 明天一定要打电话给我。 See also sure |