It was really a pity/shame that you gave it up halfway.

半途而废，实在太可惜了。

I gave it up ... self-denial is where I come a cropper.

我放弃它了…是在自我克制的时候落马的。

I gave it up . . . self-denial is where I come a cropper.

我放弃它了…是在自我克制的时候落马的。

You knew you could't do both, and you gave it up to raise me.

你知道不可以二者兼得，于是为了养育我而放弃了那个梦想。

The last maths problem seemed very abstract and he gave it up.

最后那道数学题似乎很难，于是他就放弃了。

I tried to puzzle it out, but gave it up in despair and set the matter aside until night should bring an explanation.

我老是想把这些事情理出个头绪来，结果总在失望中作罢，只好把它们放在一边，反正到晚上就会水落石出。

Besides, I mentioned to her in the comments that it was better she gave it up, so someone else who needed the money would get the job instead.

除此之外，我在评论中对她提及她放弃工作很好，这样需要这笔钱的人会得到那份工作。

All the people in the area who liked dog meat gave it up, because they realized that the meat of any animal is produced through enormous suffering.

那个地方所有爱吃狗肉的人都不再吃了，因为他们明白了任何肉食都源自无边的苦痛。