zài​cǐ​yī​jǔ

to depend on this single effort

在此一举 在此一舉 zài​cǐ​yī​jǔ
to depend on this single effort
to have the outcome of an entire matter determined by this one action; success or failure hangs in the balance of this single move

Frequency

Movie subtitles
0.800 per million appears in 0% of films
Written text
0.207 per million

Sources