那个修补匠挨家挨户修理漏水的锅。
The ___tinker went door to door fixing leaky pots.
他摆弄了几个小时的自行车，但链条完全脱落了。
He ___tinkered with the bicycle for hours, but the chain came off completely.
他喜欢在周末随便摆弄那台旧收音机。
He enjoys ___tinkering with that old radio on weekends.
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