be toast
(informal) to be likely to die or be destroyed; to be in serious trouble
One mistake and you're toast.
e.g.
/13sardialouge/No. 195 Even So, I’ll Do It. それでもやるのよ#5fdda589bdb0e500006e578f
/13sardialouge/1st Area Wave 3#5fdcac5ebdb0e500006e575f