make certain of doing

釋義

1. make certain of sth / of doing sth

   確保（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.你得快點出發，好確保準時到達那裡。

同一詞條的短語

• for certain
• make certain
• of a certain age