lop off

动词 lop off:

1. remove by or as if by cutting
   同义词：cut off, chop off

1. He had his arm lopped off by an electric saw.
   他让电锯锯掉了一只胳膊。
2. Some train services have been lopped off this line.
   这条路线已经有几辆火车停开了。