特別区: a special ward, a district (a municipal or other geographic administrative area); (specifically) one of the 23 special wards of Tokyo

terrible twos (developmental stage in toddlers characterized by refusals)

dark dirt, preferred in baseball fields and fairgrounds and the like

leaking of liquid (usually in reference to batteries)

(uncommon) grain stalk

That was unexpected. I didn't see that coming.

受け箱, 受箱: reception box / 凵: the kanji component 凵

(onomatopoeia, informal, of girls and young women) merrily

(onomatopoeia, informal, of girls and young women) merrily

Misspelling of きをつけて. Since o is written as を when used as a particle.