in action

作動中

in action の類語

functioning, operating, in play, on the fire, operational, in process, in practice, in operation, in exercise, working, acting, going on, at work, functional, in the works, in force, on foot, behavioral, going, running, active, serving, performing, inaction, ongoing, in hand, practicing

in action の言い換えを探すには

in action（作動中）の類語・言い換え（パラフレーズ）を、日本語訳つきで関連度順に並べています。英作文の語彙を増やしたいとき、長文読解で本文と選択肢の言い換えを見抜きたいときに使えます。