pack it in1.■[俚语]停止；放弃；结束；离开：I ought to begin to think of packing it in as a journalist.我应该开始考虑结束记者生活了。It's so cold here.Let's pack it in and go home.这里太冷，我们停下车回家吧。2.■[美国俚语]承认失败：If the experiment is not successful,I am ready to pack it in.如果试验不成功，我甘愿承认失败。3.■[美国俚语]充分利用有利条件(以取得名利地位等)。