不三不四: 1.(不像样子) neither fish, flesh nor fowl; neither one thing nor the other; (these men) are not this and not that.2.(不正派) suspicious (characters); dubious; shady; with no character; nondescrip
鬼混: lead an aimless or irregular existence; fool around 短语和例子和不三不四的人鬼混 hang around with shady characters
