boiled egg是水煮蛋，前面多了个hard后，意思就完全不一样了，表示硬汉。同时还有“吝啬鬼、铁石心肠的人”。

【例句】

He wants to become a hard boiled egg like his father.

他想成为像父亲一样的硬汉。
 

She is a hard boiled egg who always likes to take advantage of others.
她是个吝啬鬼，总喜欢占别人的便宜。