make certain of doing

释义

1. make certain of sth / of doing sth

   确保（做某事）

   to do sth in order to be sure that sth else will happen

   You'll have to leave soon to make certain of getting there on time.你得快点出发，好确保准时到达那里。

同一词条的短语

• for certain
• make certain
• of a certain age