assure
KK: []
DJ: []
vt.
1. 向...保证,担保[(+of)][O5]
I can assure you of the reliability of the information.
我向你保证这消息可靠。
ensure
KK: []
DJ: []
vt.
1. 保证;担保[O9][+that][+v-ing]
I can't ensure his being on time.
我不能保证他的准时。
用法差不多
ensure = make sure
assure = be sure