rapid increase; boom

climbing pole, a fixture in playgrounds

everything

(colloquial) current boyfriend

(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)

everyone, one and all

kite

a bonobo

ascending and descending, climbing and coming back down (particularly as of a person or thing travelling or moving up and down, such as stairs or levels)

to ascend and descend, to climb and come back down (particularly as of a person or thing travelling or moving up and down, such as stairs or levels)