Dogs must be kept on a lead in the park.

　　狗在公園里必須系著牽狗帶。

　　She took the dog for a walk around the block.

　　她帶著狗繞街區(qū)散步。

　　This firm's gone to the dogs since the new management took over.

　　這個公司自新的管理人員接手以來日漸衰敗。

　　Please keep your dog under control!

　　請管好你的狗！

　　He had been dogged by bad health all his life.

　　他一生多病，備受折磨。

　　He's made a real dog's breakfast of these accounts.

　　他把這些賬目簡直搞得一塌糊涂。

　　She pulled the car to the right to avoid the dog.

　　她把汽車向右一閃，好躲開那條狗。