●ˌtinker aˈround ( ˌtinker aˈboutespecially BrE) (with sth)to make small changes to sth in order to repair or improve it, especially in a way that may not be helpful作（不起作用的）小修小补◆He’s outside tinkering around with his bike. 他在外面捣鼓他的自行车。◆They haven’t made any real changes to the system—they’ve just been tinkering around a bit. 他们对系统没有作任何真正的改进——只不过是一点小修小补。[v + adv]