1) He vowed he would never fling in the towel
他发誓决不认输。
2) He took an oath to give up gambling.
他发誓不再赌博。
3) He took an oath that he would not tell lies.
他发誓不说谎。
4) He is unwilling to acknowledge defeat.
他不愿认输。
5) I'll never climb down!
我决不会认输!
6) None, on my word!
不！我发誓！
参考词条