(specially in former times)a person who travels from place to place mending pans, kettles, and other metal utensils as a way of making a living
（尤指旧时流动的）补锅匠，白铁匠。
〈英，主贬〉 吉卜赛人；流浪者。
〈英，非正式〉 小淘气。
an act of attempting to repair something
修补。
attempt to repair or improve something in a casual or desultory way, often to no useful effect
马马虎虎（或徒劳无益）地修补（或修理）
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he spent hours tinkering with the car .他花了几个小时摆弄车。
[with obj.]
〈古〉 （马虎地）修补，修理。
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not give a tinker's curse （或cuss 或damn ）informal not care at all 〈非正式〉 毫不在乎，漠不关心
" Middle English （first recorded in Anglo-Latin as a surname）： of unknown origin．"
