tinker
[ˈtɪŋkɚ]
n.
〈英〉小炉匠，补锅匠，修补匠，补锅，修补;
拙劣的工人，粗劣的修补;
〈美〉杂活工人，打杂工 4。吉卜赛人，流浪工人，流浪者;
小鲭鱼;
vi.
做焊锅匠;
焊补;
胡乱修补;
笨手笨脚地做某事;
vt.
粗修;
修补;
（尤指不起作用地）修修补补;
小修理;
例句:
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Don't tinker with the TV.
别瞎弄电视机.
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He likes to tinker with radios.
他最爱鼓捣收音机.
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Please don't tinker with my car engine.
请不要乱弄我的汽车发动机.
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So it is with Tinker Tailor Soldier Spy.
来自NEWYORKER
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His response has been to tinker rather than to transform.
来自BBC
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Underwater robots tinker with wells beneath a mile of water.
来自WSJ