dime

drop a (或 the) dime on someone

(informal)inform on someone

(非正式)告发

get off the dime

(informal)be decisive and show initiative

(非正式)果断，采取主动

at some point you have to get off the dime and do something.

在适当的时候，你要果断地采取行动。

a dime a dozen

Overly abundant; commonplace.

过于丰富的；平凡的

on a dime

At a precise point; within a narrowly defined area

在极小范围内：恰恰在这一点上；在一个狭窄的限定的区域内

a sports car that stops on a dime.

跑车在小范围内行驶