(slang) eating one's bento (packed lunch) before lunchtime (usually applied to middle and high school students)

a surname

to use one's head

fireworks show; fireworks display

use one thing for many purposes / work someone hard

(idiomatic) early to bed early to rise

Synonym of ほととぎす (hototogisu): the lesser cuckoo, Cuculus poliocephalus

(Buddhism) fundamental doctrine that all things in this world are empty in essence, and through that existence, all phenomenon is real in form

formula, expression / ceremony / style

sword / potter's clay / to gather