在英语中，dog watch是指：值夜班。

最初，dog watch在航海相关领域中指16:00到20:00之间的值班，通常被分作两段，第一段从16:00到18:00，第二段从18:00到20:00，后来渐渐发展到其他领域，用来表示“值夜班”。

比如：

▷John often has dog watches.

▷John经常上夜班。

the dog days of summer 一年中最热的日子；三伏天

▷I can fry an egg on my car in the dog days of summer.

▷这三伏天我都能在车上煎鸡蛋了。

in the doghouse 惹上了麻烦

▷Her husband was in the doghouse for leaving her to cope on her own.

▷她的丈夫因弃她于不顾而陷入麻烦。

every dog has his day 凡人皆有得意日

▷Don't lose your hope, every dog has his day.

▷ 不要灰心，凡人皆有得意日。

rain cats and dogs 倾盆大雨

▷It began to rain cats and dogs right after Istepped out the office building.

▷我刚出办公楼就下暴雨了。