英譯：
tighten one's belt
例句：
- Things are beginning to cost more and more. It looks like we'll all have to tighten our belts. (東西開始越來越貴。看來我們都要勒緊腰帶)
- I've had to tighten my belt since I stopped working full time. (自從我不再全職工作以來，我一直得勒緊腰帶過日子)
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