0 a common animal with four legs, especially kept by people as a pet or to hunt or guard things -- (尤指当作宠物或用来打猎、看护的)狗,犬
1 a man who is unpleasant or not to be trusted -- 讨厌的家伙,惹人烦的家伙;失信者
2 to follow someone closely and continuously -- 跟随;跟踪
Reporters dogged him for answers. 记者们跟着他让他回答问题。
3 to cause difficulties -- 困扰,阻碍