forestall是什么意思

　　To forestall is better than to amend.; Prevention is better than cure.

　　与其补救于已然，不如防范于未然。

　　To forestall is better than to amend.

　　与其补救于已然，不如防患于未然。

　　Try to anticipate what your child will do and forestall problems.

　　尽量预见你的.孩子会干什么，并预先阻止问题发生。

　　Large numbers of police were in the square to forestall any demonstrations.

　　广场上驻守着大批警察以防止任何示威活动。

　　O'Leary made to open the door, but Bunbury forestalled him by laying a hand on his arm

　　奥利里想去开门，但是邦伯里抢先一把摁住了他的胳膊。