いきなり (translations)→ abruptly beginning bluntly directly fast freely impulsively instantly leap new out-of-the-blue outright point-blank pointblank promptly sudden suddenly unannounced violently
すぐさま (translations)→ immediate immediately quickly straight then
とっさに (translations)→ quick still
チャンス (translations)→ advantage chance moment offer opportunity option shot time way
一瞬 (translations)→ bit blinking brief briefly flash fleeting glance heartbeat just minute momentary next once sec second slightly split-second temporarily
一夜にして (translations)→ overnight
時間 (translations)→ afternoon class day history hour length long pause period schedule
瞬間 (translations)→ as instantaneously situation
