HSK 7-9
节衣缩食
jiéyī-suōshíto save on food and clothing (idiom); to live frugally
夫妻节衣缩食供孩子上学。
Fū qī jié yī suō shí gōng hái zi shàng xué.
The couple lived frugally to support their child's schooling.
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Appears across levels (7-9) in the HSK 3.0 word list.