善良做某事用英语可以说是 "act with kindness" 或 "do something with kindness." 这个短语的来源可能源自人们对善良的理解，即表现出关心、爱护和尊重他人的态度。例句如下：
She always acts with kindness towards others. 她总是对别人表现得很善良。
I try to do everything with kindness, even when it's difficult. 我尽量做事时都带着善良，即使困难重重。