"through train" (refers to the idea of retaining previous legislature after transition to Chinese rule in Hong Kong or Macao)
改口
gǎi kǒu
to change one's tune / to modify one's previous remark / to change the way one addresses sb (as when one marries and starts to call one's husband's parents 爸爸[ba4 ba5] and 媽媽|妈妈[ma1 ma5])
to undergo change in weather / restoration of reactionary rule or the previous regime
长江后浪推前浪
Cháng Jiāng hòu làng tuī qián làng
lit. the rear waves of the Yangtze River drive on those before (idiom) / fig. the new is constantly replacing the old / each new generation excels the previous / (of things) to be constantly evolving
换班
huàn bān
to change shift / the next work shift / to relieve (a workman on the previous shift) / to take over the job
to erase / to wipe out (a previous humiliation etc)
恍如隔世
huǎng rú gé shì
like a thing of the previous generation / as if it were a lifetime ago
迷魂汤
mí hún tāng
potion given to souls before they are reincarnated, which makes them forget their previous life (aka 孟婆汤[meng4 po2 tang1]) / magic potion / (fig.) bewitching words or actions
折节读书
zhé jié dú shū
to start reading furiously, contrary to previous habit (idiom)
to turn one's head / to turn around / (fig.) to return (to a previous point) / to come back (to what one was saying before) / (fig.) to look back (in time) / to reflect on the past
接龙
jiē lóng
to build up a sequence / a succession of things, each linked to the previous one
孟婆
Mèng pó
(Chinese folk religion) Meng Po, goddess who gives a potion to souls before they are reincarnated, which makes them forget their previous life / (Chinese folk religion) Meng Po, goddess of the wind
孟婆汤
mèng pó tāng
potion given to souls by Meng Po 孟婆[Meng4 po2] before they are reincarnated, which makes them forget their previous life