harm/ hɒːm /

1.vt.
(damage) 损坏

2.vt.
(injure) 伤害

3.noun [u] 
(damage) 损害

4.noun
(injury) 伤害

to mean no harm
没有恶意
out of harm's way
在安全的地方
there's no harm (in) trying
试一试也无妨
to come to no harm
平安无事
to do more harm than good
得不偿失
it wouldn't do any harm (for you) to get an answerphone
买个录音电话(对你)没什么害处