打垮

打垮	dǎ kuǎ	to defeat / to strike down / to destroy
打	dá	(loanword) dozen / Taiwan pr. [da3]
打	dǎ	to beat / to strike / to hit / to break / to type / to mix up / to build / to fight / to fetch / to make / to tie up / to issue / to shoot / to calculate / to play (a game) / since / from
垮	kuǎ	to collapse (lit. or fig.)