不三不四：dubious
（不像样子） neither fish,flesh nor fowl; neither one thing nor the other; (These men) are not this and not that.
例：He often hangs around with some dubious characters.
他常常和一些不三不四的人鬼混.
不三不四：dubious
（不像样子） neither fish,flesh nor fowl; neither one thing nor the other; (These men) are not this and not that.
例：He often hangs around with some dubious characters.
他常常和一些不三不四的人鬼混.