You are a big pig

大猪蹄子───unfaithful man;就是───namely

trust to an unfaithful man in the time of trouble, is like a rotten tooth, and weary foot.───在患难之日，信赖无信用的人，有如信赖蛀坏的牙，脱节的脚。

in an unfaithful man in time of trouble is like a broken tooth, and a foot out of joint.───患难时倚靠不忠诚的人，好像破坏的牙，错骨缝的脚。

Indeed, he was a lucky man, Teacher Fei said now; he had never married, so no one could accuse him of being an unfaithful husband or a bad father.───确实，他是个幸运的人，范老师现在说，他从来没有结过婚，所以也没有人会来把他说成一个不忠的丈夫和坏父亲。

Confidence in an unfaithful man in time of trouble [is like] a broken tooth, and a foot out of joint.───患难时倚靠不忠诚的人，好像破坏的牙，错骨缝的脚。

To trust to an unfaithful man in the time of trouble, is like a rotten tooth, and weary foot.───在患难之日，信赖无信用的人，有如信赖蛀坏的牙，脱节的脚。

Waaaaaa, that unfaithful man, treat with me so cold,───啊……那个没良心的，对我这么冷淡，