to boil / to wash / to cleanse / to soak

to boil water

(colloquial) go out for tea

tea, usually green tea / tea ceremony / snack with tea or coffee / the act of having tea

(idiomatic) to lose one's temper, to fly off the handle

bored to death

Short for お茶の水女子大学 (Ochanomizu Joshi Daigaku, “Ochanomizu University”).

to give an evasive answer / to be evasive, to dodge the issue, to play games / to make do