leaf, needle, blade (of a plant) / a season, an age: a shorter period of time within a longer one / an administration: the period of time during which a certain person holds a certain office

(rare) counter for flat, thin things such as leaves or paper / (by extension) counter for small boats

to use one's head

use one thing for many purposes / work someone hard

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

precious articles / valuable item / treasure / ornaments / relic / outstanding individual

device; instrument / container; vessel

device; instrument