プログレッシブ和英中辞典(第4版)の解説
すかさず【透かさず】
❶〔すぐさま〕immediately, instantly
私が門をあけると犬がすかさず飛び出してきた
When I opened the gate, the dog rushed out immediately [at once].
❷〔機会を逃さず〕
彼がやさしい言葉をかけると彼女はすかさず金をねだった
When he spoke to her kindly, she lost no time in trying to wheedle money out of him.
彼の言葉じりをとらえてすかさず質問した
I jumped on what he said and put a question to him.