in no time (at all)

US /ɪn noʊ taɪm (æt ɔːl)/
UK /ɪn noʊ taɪm (æt ɔːl)/
"in no time (at all)" picture
1.

すぐに, あっという間に

very quickly or very soon

:
Don't worry, I'll be back in no time at all.
心配しないで、すぐに戻ってきます。
The children finished their homework in no time.
子供たちはあっという間に宿題を終えた。