1. 他并不因這些成就而自夸。
   He does not plume himself on these achievements.
2. 對于這一點，我可以豪不自夸地說，在歷屆美國總統(tǒng)競選中，沒有任何一位候選人象我這樣不遺余力地促進統(tǒng)一戰(zhàn)線的建立。
   On this point, I think I can say without boast, that never in the history of American Presidential campaigns has a candidate gone further than I did in attempting to create a united front.
3. 他自夸自己游泳高明。
   He boasts himself a good swimmer.
4. 他喜歡自夸。
   He's given to boasting.
5. 他自夸是隊里的最佳隊員。
   He boasted of being/boasted that he was the best player in the team.

自的英語翻譯：

夸的英語翻譯：