击退一次攻势的英文：
to ward off an assault

ward是什么意思：
n. 病房；监督；被监护人；区
v. 挡住；避开；守护；收容

ward in chancery
受英国大法官监护的未成年人

He was put in an isolation ward.
他住进了隔离病房。

There are three candidates standing for election in this ward.
这一区里有三名候选人参加竞选.

off是什么意思：
adv. 掉，下；离开；隔开；切断；停止；；休息；光，完，尽；全部地
prep. 从...离开；从...向下；在...的外面；偏离...；从...分岔；不再从事...；低于...
adj. 关着的；停止流通的；延期的；取消的；不工作的；处于...境况的；萧条的
v.（用于祈使句）走开，滚开；站开
n. 关掉

Is the water on or off?
自来水龙头开着还是关着？

The gilt is off.
幻想破灭了。

to nip off; to cut off; to break
掐断

assault是什么意思：
n. 攻击，袭击
v. 攻击，袭击

The enemy assaulted us at darkness.
天黑时敌人向我们进攻。

Assault craft would be lowered.
突击登陆艇就要被放下水去。

The tables were taken by assault.
饭桌给一下子占据了。