I can't fix the seat.
Zaseki ga taoremasen.
indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
to fall; to collapse; to drop; to fall senseless; to be forced to bed (by illness, etc.); to die; to go bankrupt; to be ruined; to have a bad debt; to be defeated (in a game); to fall (of governments, dictators, etc.)