have never been heard from since

as clean as ice and as pure as jade - bīng qīng yù jié

be a celebrity for a time - míng zhòng yī shí

be pestered beyond endurance - bù shèng qí fán

The top down and the bottom down - dǎo guàn luò pèi

like a fishbone getting stuck in the throat -- necessary to give vent to one 's pent-up feelings - rú gěng zài hóu

be very much puzzled by - mí huò bù jiě

You can't judge by appearances - rén bù kě mào xiàng

to get ready for battle - lì bīng mò mǎ

sleep on the brushwood - zuò xīn cháng dǎn

Blue ice water - qīng lán bīng shuǐ