冲击的英文：
be under attack

参考例句：

Charpy impact test
夏比冲击试验

To mitigate the effects of; absorb the shock of
减缓…的后果;吸收…的冲击

For eons, the pounding waves ate away at the shoreline
亿万年来，浪涛冲击侵蚀着海岸。

I seriously doubt their contentions will bear the brunt of close scrutiny.
我非常怀疑他们的观点能经受住仔细审查的冲击。

A pang of exquisite suffering-a throe of true despair-rent and heaved my heart.
一阵极度痛苦的剧痛--一阵真正绝望的苦闷--撕裂着和冲击着我的心。

Rotary and rotary impact masonry drill bits with hardmetal tips--Part 1: Dimensions
旋转和旋转冲击式硬质合金建工钻第1部分:尺寸

Surges (Lightning or Switching Surges).
冲击(雷电冲击或操作冲击)。

Impact extrusion
冲击挤压加工

The sea wall sustained the shock of waves.
海堤经得起海浪的冲击。

a frantic dash, rush, search, etc
疯狂的撞击、 冲击、 搜查等

under是什么意思：
prep. 在…下面；少于adv. 在下面
adj. 下面的，较低的

Under the hammer
被拍卖

under the ground;swam under water.
在地下；游到水下

Under water, famine; under snow, bread.
洪水造饥馑，瑞雪兆丰年

The coin rolled under the bed.
硬币滚到床底下去了。

You are under the scrutiny of the police
你现在受到警察的监视。

attack是什么意思：
n. 打击，攻打，伤害
v. 伤害，攻击，进攻，攻打，解决

attacking clear
比较平直的高远球

It was a planned attack.
这是一次有计划的袭击。

We will not attack unless we are attacked; if we are attacked; we will certainly counterattack.
人不犯我，我不犯人；人若犯我，我必犯人。

The general directed the army to attack.
将军指挥军队进攻。

The enemy was attacking the town.
敌军正在攻打该城。