to lose; to misplace; to no longer possess something

(bound form) to fail to meet a goal or desire; to be disappointed (as in 失望 shī​wàng or 失意 shī​yì)

to lose control of oneself; to fail to restrain an action or emotion; to change from a normal state

to lose one's way; to be unable to find; to go missing

(bound form) a mistake; a fault; a defect; a mishap

to violate; to go against; to break a promise or social norm

to miss; to let slip; to fail to seize something like an opportunity or chance