资料来源 : pyDict

塌下,垮掉;放弃,撒手;倒闭

资料来源 : WordNet®

fold up
     v 1: bend or lay so that one part covers the other; "fold up the
          newspaper"; "turn up your collar" [syn: {fold}, {turn up}]
          [ant: {unfold}]
     2: become folded or folded up; "The bed folds in a jiffy" [syn:
         {fold}]