I never walk out on a job half done.

我做工作从不半途而废。

Well begun is half done.

好的开始等于的一半。

He is not such a man as would leave his work half done.

他不是那种做事半途而废的人。

My work is not half done yet.

我的工作还没做完一半呢。

Start – Well begun is half done.

开始-良好的开端是成功的一半。