to break, to be broken, to be destroyed, to be wrecked / to fall through; to be broken off / (informal) to go mad; to lose it

difficult / hard, probably impossible

to repair, mend, patch up (something damaged especially clothing, footwear, etc.) / to treat (a wound, injury, disease, etc.) / to adjust, fix (hair, clothing, appearance, etc.) / to keep up appearances

(rare, possibly obsolete) a clock, a watch, a timepiece, a timekeeper

a clock, a watch, a timepiece, a timekeeper

repair of something damaged (especially clothing)

a wristwatch

alarm clock

antique clock, grandfather clock

atomic clock (not to be confused with radio clock)