"do something always good" What's the meaning?

"do something always good" What's the meaning? What's the meaning of "do something for nothing"? What's the meaning of"Do as the Romans do"? what's the meaning What's the meaning? what's the meaning of=what do . what's the meaning of"Do what i say" 英语 what's the meaning? empty!what's the meaning? what 's the meaning of. What's the meaning of '@'? Hello what's the meaning?