1、All what you do, do it with your might; things done by halves are never done right.
做一切事情都應盡力而行，半途而廢永遠不行。

2、Whatever you do, do with your might; Things done by halves are never done right.
不論做什么事情都要盡力去搞，事情做不徹底就不能算好。

3、All that you do, do with your might; things done by halves are never done right.
做一切事情都應盡力而為，半途而廢永遠不會成功。

by halves翻譯