cover a many areas or topics, a lot of ground

(colloquial) current boyfriend

everything

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

everyone, one and all

(music) part

(Chinese phonetics) an oblique tone (the 上声 (jōshō, “rising tone”), the 去声 (kyoshō, “departing tone”) or the 入声 (nisshō, “entering tone”), contrasting with the 平声 (hyōshō, “level tone”) among the 四声 (shisei, “four tones”) of Middle Chinese)

to let one's voice become quieter

very quiet voice

voice change (as part of puberty)