(slang) methamphetamine addiction

at full speed, full speed ahead

介入: intervention

(mahjong) a call for a 明刻 (minkō, “open triplet”) from a discarded tile, compare English pung

導入: introduction (e.g. of new idea)

(somewhat childish) a kiss

to kiss, smooch

a squeak (sound made by mice) / a chirp (sound made by small birds) / sound made by sucking liquid

(archaic) Short for と言う (to iu):

市中: in the city / 支柱: brace, fulcrum, pillar, strut / 仔虫: larva / シチュー: stew / 死中: fatal situation