ins and outs 1. 迂回曲折 I know all the ins and outs of the short way to the camp. 我对通往营地的那条弯弯曲曲的近路很熟悉。 2. 〈口〉复杂详情，底细 We had to discuss all the ins and outs of the proposals. 我们得讨论这些提议的所有细节。 He knows ins and outs of every political move. 他对每个政治行动的底细都很了解。 3. 执政党与在野党 4. 经常进出于贫民习艺所的贫儿们