yī​qì​hē​chéng

at one go

一气呵成 (一氣呵成) yī​qì​hē​chéng
at one go idiom
to complete a task or action in one continuous, uninterrupted effort
smoothly coherent idiom
describing a piece of writing, art, or music that flows naturally and consistently from start to finish

Frequency

Movie subtitles
0.570 per million appears in 0% of films
Written text
1.38 per million

Sources

Definitions
CC-CEDICT