as one

Prepositional phrase

formal UK

(formal) simultaneously, at the same time, all together / (chiefly UK, formal) in agreement

Japanese Meaning

同時に、一斉に / 意見一致で、調和して

The members of the committee spoke as one during the meeting.

委員会のメンバーは会議中に一斉に発言した。

Sense（1）

(formal) simultaneously, at the same time, all together

Sense（2）

(chiefly UK, formal) in agreement

(transitive with with) in agreement with someone