huàn​tāng​bù​huàn​yào

change in name only

换汤不换药 換湯不換藥 huàn​tāng​bù​huàn​yào
change in name only
a change in form but not in substance; literally "different broth but the same old medicine." Often used to describe a superficial change that does not address the underlying issue (usually negative).

Frequency

Movie subtitles
0.150 per million appears in 0% of films
Written text
0.389 per million

Sources