dogged

动词 dog:

1. go after with the intent to catch
   同义词：chase, chase after, trail, tail, tag, give chase, dog, go after, track

形容词 dogged:

1. stubbornly unyielding
   同义词：dour, pertinacious, tenacious, unyielding

1. He's been dogged by failure in the past year; now he is working strenuously to pull out.
   过去一年中他连续遭到失败; 现在他在努力设法摆脱这种局面。
2. All the time he was in the city the secret police dogged his steps.
   他在该市逗留期间一直受到秘密警察的跟踪。
3. Although he's less talented, he won by sheer dogged persistence.
   他虽天赋不高，但全凭坚韧的毅力赢得了胜利。
4. They had a dogged defense of the city.
   他们对城市进行了顽强的防守。