business as usual

Adjective

idiomatic not-comparable

(idiomatic) That is usual, expected, not extraordinary.

Japanese Meaning

通常通り / 平常通り / いつも通り

Despite the disruption, the department maintained a business as usual attitude to avoid alarming clients.

混乱があっても、その部署は顧客を不安にさせないように普段通りの態度を保ち続けた。

Sense（1）

(idiomatic) That is usual, expected, not extraordinary.