破竹建瓴

lit. smash bamboo, overturn water tank (idiom); fig. irresistible force

broken / damaged / worn out / lousy / rotten / to break, split or cleave / to get rid of / to destroy / to break with / to defeat / to capture (a city etc) / to expose the truth of

bamboo / CL:棵[ke1],支[zhi1],根[gen1] / Kangxi radical 118

to establish / to found / to set up / to build / to construct

concave channels of tiling