一不做，二不休

lit. either don't do it, or don't rest (idiom) / fig. if you do it at all, you may as well go the whole hog / in for a penny, in for a pound

one / single / a (article) / as soon as / entire; whole; all; throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yao1] for greater clarity when spelling out numbers digit by digit

no; not so / (bound form) not; un-

to make; to produce / to write; to compose / to do; to engage in; to hold (a party etc) / (of a person) to be (an intermediary, a good student etc); to become (husband and wife, friends etc) / (of a thing) to serve as; to be used for / to assume (an air or manner)

two / 2 / (Beijing dialect) stupid

endlessly / ceaselessly

to rest / to stop doing sth for a period of time / to cease / (imperative) don't