yī​shēng​lìng​xià

as soon as the order is given

一声令下 一聲令下 yī​shēng​lìng​xià
as soon as the order is given
The moment an order or command is issued; at the word of command (often followed by an immediate action)

Frequency

Movie subtitles
0.690 per million appears in 0% of films
Written text
1.77 per million

Sources