英语语法分析

Fearlessness stems from selflessness.; Only the selfless can be fearless.

无私故能无畏。

《新英汉大辞典》

Thanks for your hard work and selflessness.

谢谢你的辛勤工作和无私奉献。

After Sonora became an adult, she understood the strength and selflessness her father had shown in raising his children as a single parent.

在索诺拉成年后，她理解了她的父亲作为单亲父亲在抚养孩子方面所体现出的力量和无私。