on the ball

on the ball の類語

on the job, attentive, all ears, watchful, alert, advertent, wide awake, johnny on the spot, observing, observant, aware, wakeful, open-eared, all eyes, conscious, wide-awake, awake, on the alert, careful, concentrated, alive, diligent, finicky, mindful, assiduous, intense, intent, on the, nice, heedful, sleepless, unblinking, meticulous, agile, niggling, open-eyed, open eyed, earnest, nimble, agog, quick, ready, smart, regardful, bright, openmouthed, qui vive, prompt, keen, finical, sharp, clear-witted, unsleeping, clear sighted, clear-sighted, perceptive, ingenious, experienced, clearheaded

on the ball の反意語

inattentive

on the ball の言い換えを探すには

on the ball（）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。