with one accord
US /wɪθ wʌn əˈkɔːrd/
UK /wɪθ wʌn əˈkɔːrd/

1.
満場一致で, 一斉に
if people do something with one accord, they do it all together and in agreement
:
•
The committee voted with one accord to approve the new policy.
委員会は新方針を承認するために満場一致で投票した。
•
They all stood up with one accord when the national anthem began.
国歌が始まると、彼らは皆一斉に立ち上がった。