on the qui vive
on
ɒn
on
the
ðə
dhē
qui
ki:
ki
vive
vi:v
viv

英語での「on the qui vive」の定義と意味

on the qui vive
01

on the lookout, especially for danger, opportunity, or unexpected events 

例
The guards were on the qui vive, scanning the horizon for intruders. 
LanGeek
アプリをダウンロード
langeek application

Download Mobile App

アップストア