Barking dogs seldom bite.
　　吠犬不咬人。（意指：对于发出恐吓，或惯于大声吼叫的人，勿须当真。）
　　Every dog has his day. 凡人皆有得意日。（风水轮流转。）
　　Dog does not eat dog. 同类不相残；同室不操戈。
　　a cat-and-dog life 争争吵吵的日子
　　Give a dog a bad name and hang him. 人言可畏。
　　go to the dogs 每况愈下；堕落
　　hang-dog look 愁眉苦脸
　　Love me, love my dog. 爱屋及乌。
　　He is a lucky dog. 他是个幸运儿。
　　lead a dog’s life 过着猪狗不如的生活
　　not have a dog’s chance 毫无机会
　　top dog 当权派；头儿
　　a lazy dog 懒汉
　　a dirty dog 下流坯
　　as/like a dog with two tails高兴得跟什么似的
　　be (old) dog at对……有经验；对……很内行
　　Beware of a silent dog and still water.
　　提防不吠的狗,小心静止的水。
　　come like a dog at a whistle一呼即来
　　It is ill to waken sleeping dogs.
　　别惹事生非。/别惹麻烦。
　　Hungry dogs will eat dirty puddings.
　　饥不择食。
　　dog it拈轻怕重，逃避工作
　　put on the dog装模作样；装出斯文、有钱或有文化的样子
　　a dog in the manger占马槽的狗；占着茅坑不拉屎
　　help a lame dog over a stile助人于危难之中；雪中送炭
　　He who has mind to beat his dog will easily find a stick.
　　欲加之罪，何患无辞。