无害的英文：
harmless

"Hard words Break no Bones, fine words Butter no parsnips."
粗话无害,甘言无益

Good counsel never comes amiss
忠言有利无害

Good counsel does no harm
忠言无害

Early to bed and early to rise makes a man healthy, wealthy and wise
早睡早起百益无害

A harmless, honest, guileless creature
无害的、诚实的、坦率的小家伙

The butterfly is an innocent insect.
蝴蝶是一种无害的昆虫。

a refreshing and inoffensive stimulant
能提神而无害的兴奋剂

The big chamber is the scene of many innocent revel.
这间大房子是许多无害狂欢的场所。

It must not be supposed that the fall in prices thus analysed is innocuous.
我们决不能假设这样分析出来的价格下降是无害的。

The low levels of antibiotics are not considered harmful to humans
抗菌素含量不高，被确认为对人类无害。

Voyeurs are scary, but they are usually harmless.
偷窥狂很可怕，但是他们通常不会伤害人。

A harmless, honest, guileless creature
无害的、诚实的、坦率的小家伙

A harmless traveller was led to the same spot.
一个并无所求的旅行者也到了这地方。

Several harmless spectators were wounded during the rioting.
几名无辜的旁观者在骚乱中受了伤。

It may produce a soft popping and hissing sound, which is harmless to cat.
它会产生轻微的爆音和嘶嘶声，对猫无害。