put lipstick on a pig

US /pʊt ˈlɪp.stɪk ɑːn ə pɪɡ/
UK /pʊt ˈlɪp.stɪk ɑːn ə pɪɡ/
"put lipstick on a pig" picture
1.

给猪涂口红, 做表面文章

to make superficial changes to something that is fundamentally flawed or unattractive, without improving its core nature

:
Trying to fix that old car with a new paint job is like putting lipstick on a pig; it still won't run.
试图用新漆修好那辆旧车,就像给猪涂口红一样;它仍然跑不起来。
The new management tried to improve morale with a fancy new office, but it was just putting lipstick on a pig because the core issues remained.
新管理层试图用一个豪华的新办公室来提高士气,但这只是给猪涂口红,因为核心问题依然存在。