无毒 | wú dú | harmless / innocuous / lit. not poisonous | |
无害 | wú hài | harmless | |
温驯 | wēn xùn | docile / meek / harmless / moderate and obedient / tame | |
无伤大雅 | wú shāng dà yǎ | (of a defect etc) to be of no great matter (idiom) / harmless | |
咬人的狗不露齿 | yǎo rén de gǒu bù lòu chǐ | lit. the dog that bites doesn't show its teeth (idiom) / fig. the most sinister of people can look quite harmless | |
扮猪吃老虎 | bàn zhū chī lǎo hǔ | to play the wolf in sheep's clothing / to disguise oneself as sth harmless in order to lull one's target into letting their guard down |