hair shirt
US /ˈher ˌʃɜrt/
UK /ˈher ˌʃɜrt/

1.
苦行衣, 毛衣
a shirt made of coarse animal hair, worn next to the skin as a penance or mortification of the flesh
:
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In medieval times, some ascetics wore a hair shirt to demonstrate their devotion.
在中世紀,一些苦行僧穿著苦行衣以示虔誠。
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The monk's severe penance included wearing a rough hair shirt.
這位僧侶的嚴酷苦行包括穿著一件粗糙的苦行衣。
2.
折磨, 自我懲罰
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.
他對瑣事的持續擔憂對他來說是一種真正的折磨。
•
Living with such strict self-imposed rules became a kind of hair shirt.
生活在如此嚴格的自我約束下,變成了一種折磨。