impact/ 'ɪmpækt /

1.noun [of collision] [ blow] 
冲击

2.noun [of law] [ change] [ situation] 
影响

3.vi.
to impact (up)on sb/sth 冲击某人/某物

to have an impact (up)on sb/sth
对某人/某物产生影响
to make an impact
产生影响
(up)on impact
在碰撞时