?过河拆桥

...kick in... kick back踢回；<非正&... kick down the ladder过河拆桥；卸磨杀驴；... kick in向里踢进去；踢坏；&...

?河拆桥

...炮（mustard after dinner）；耳边风 water offa duck S back；当电灯泡（play gooseberry）；过河拆桥（kick down the ladder）；昙花一现 a flashin the pan；酒肉朋友 fair weather friend。