一気に

adverbいっきに · ikkini

1. Englishin one go; in one gulp; in one breath; without stopping

   • 彼は一気に１０時間働いた。He worked ten hours at a stretch.

2. Englishsuddenly; all of a sudden; all at once

Source: JMdict (EDRDG) · CC BY-SA 4.0 (EDRDG)