查找任意词语,比如 ratchet
 
1.
Despite your best efforts, there are some things you just can't fix/improve.

To point out futile attempts to conceal/change the baisc nature of something.
1) Joe: Danny's back in town. He lost a bunch of weight, got a nose job, got hair plugs and now wears really flashy clothes but he's still one ugly motherfucker.

Jim: Well, you can't polish a turd.

2) The comb-over hairstyle
作者 henryj 2006年5月02日
 
2.
No matter how nice someone acts or good someone dresses, it doesn't change the fact that the person is at that time seen as an asshole.
Scene from Californication: protagonist suits up for a trial when daughter walks in.
Protagonist: 'How do I look?'
Daughter: 'You know what they say...can't polish a turd.'
作者 AnaleTaart 2011年8月12日