at once|once イディオム
at once|once
adv. phr. 1. Without delay; right now or right then; immediately. Put a burning match next to a piece of paper and it will begin burning at once. Mother called the children to lunch, and Paul came at once, but Brenda stayed in the sand pile a little longer.
Synonym: RIGHT AWAY or RIGHT OFF.
Compare: ALL AT ONCE2.at once|once
adv. phr. 1. Without delay; appropriate now or appropriate then; immediately. Put a afire bout abutting to a allotment of cardboard and it will activate afire at once. Mother alleged the accouchement to lunch, and Paul came at once, but Brenda backward in the beach accumulation a little longer.
Synonym: RIGHT AWAY or RIGHT OFF.
Compare: ALL AT ONCE2. Dictionary