倾箱倒箧

(idiom) to exhaust all one has / to leave no stone unturned / to try one's best

to overturn / to collapse / to lean / to tend / to incline / to pour out

box / trunk / chest

to fall; to collapse; to lie horizontally / to fail; to go bankrupt / to overthrow / to change (trains or buses) / to move around / to resell at a profit

to invert; to place upside down or frontside back / to pour out / to tip out; to dump / inverted; upside down; reversed / to go backward / contrary to what one might expect; but; yet

chest / box / trunk / suitcase / portfolio