not losing

cannot afford to lose

mediocre

lose

disappointing; make one feel disappointed [written and colloquial]

rash

lose

report as lost

accident

breach of trust

in disrepair

fail to pass down

suffer a defeat

Losing power and influence, losing advantage

describes the situation where a son / daughter in a rich family is having difficulty in getting money from his / her parents (who are strict in financial); literally "a safe with no key"

to lose balance [written and colloquial]

lost ground

feeling scared, fear or panic

the situation of losing 'face' or dignity in front of others

Divorced

drop out of school

loss of control or commanding rights; fall into enemy hands

adj.; inconsistent with the facts, an inaccurate report, statement, description, etc

abnormal

Misconduct

to go insane; to lose one's mind [written and colloquial]

(adjective) Low spirit

Amnesia

heartbroken

(verb) Make a mistake