tinker with

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释义
胡乱地修补；摆弄(后加sth)
To make unprofessional or experimental attempts at repairing or improving something.

例句
Gus: That's not a problem, I hope.
Gale: No, not at all. I was tinkering with something. (Better Call Saul)
古斯：希望没有打扰你。
盖尔：没事没事。我就是摆弄些小玩意。(风骚律师)