蒙混过关: slip by [through]; slip away unpunished; bluff it out; get by; get by under false pretences; gloss over one's faults; sneak away in the confusion; steal away; put up a mask in order to go
希图: harbour the intention of; try to; attempt to 短语和例子希图蒙混过关 try to wangle; try to get by under false pretences; 希图谋财害命 attempt to murder sb. for his money; 希图牟取暴利 go after quick profits