【Belt】
❶Tighten the belt - If your pants are falling down, tighten your belt.
出費を抑える
❷It's time to tighten the belt - It's time to tighten the belt and get some work done.
節約する時だ
❸Under my belt 経験を積む - I have a few wins under my belt.
❹He's got a few awards under his belt - He's been competing in Judo for the past ten years, so he's got a few awards under his belt.
彼は受賞した経験がある