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。
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。
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。