lose the plot
To cease to behave in a consistent or rational manner.
I lost the plot for a while then. And I lost the subplot, the script, the soundtrack, the intermission, my popcorn, the credits and the exit sign.
ADV
financially
VERB + LOSE
be going to, be likely to, stand to
If you don't study, you're likely to lose points on the final exam.
have nothing to
If you apply for the job, you have nothing to lose and everything to gain.
not want to
cannot/could not afford to
The team couldn't afford to lose their best goalkeeper before the final match.
begin to
VERB + LOSE
cannot/could not afford to
The company could not afford to lose its best customers during the economic crisis.
PREP
against
The home team lost against their rivals in a thrilling match last weekend.
by
The home team lost by three points in the final match of the season.
to
Our basketball team lost to a much stronger opponent in the championship final.
PHRASES
win or lose
Whether we win or lose the match, our team always shows good sportsmanship.
PHRASAL VERBS lose out
ADV
financially
PREP
on
If you skip the morning class, you'll lose out on important information for the exam.
to
She lost out to her competitor because she didn't apply for the job soon enough.