The British never did things by halves.

英国人从不半途而废。

I won't do things by halves for my best friend.

我不会为我最好的朋友做事半途而废。

" I've been thinking what rot it is to go doing things by halves" !

“我一直在想， 事事半途而废有什么不好” ！

" I must say, " he said to Wendy, " that you don't do things by halves, " a grudging remark which the twins thought was pointed at them.

" 我必须说，" 他对温迪说，" 你做事不做半拉。" 这话说得勉强，双胞胎认为是针对他们的。

There's a fellow who does things by halves; he's only half gone to the bad; and look at the difference between him and us!

有一个人做事事半功倍； 他只坏了一半； 看看他和我们的区别！