hair shirt

US /ˈher ˌʃɜrt/
UK /ˈher ˌʃɜrt/
"hair shirt" picture
1.

毛衣, 苦行衣

a shirt made of coarse animal hair, worn next to the skin as a penance or mortification of the flesh

:
In medieval times, some ascetics wore a hair shirt to demonstrate their devotion.
中世には、一部の禁欲主義者が献身を示すために毛衣を着ていた。
The monk's severe penance included wearing a rough hair shirt.
修道士の厳しい苦行には、粗い毛衣を着ることが含まれていた。
2.

苦痛, 自己犠牲

something that causes constant discomfort or annoyance, especially as a self-imposed burden

:
His constant worrying about trivial matters was a real hair shirt for him.
些細なことへの彼の絶え間ない心配は、彼にとって本当の苦痛だった。
Living with such strict self-imposed rules became a kind of hair shirt.
そのような厳格な自己課された規則で生きることは、ある種の苦痛となった。