倒锁

倒锁	dào suǒ	locked in (with the door locked from the outside)
倒	dǎo	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
倒	dào	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
锁	suǒ	to lock; to lock up / a lock (CL:把)
锁	suǒ	old variant of 锁