grave as a judge

not-comparable

(simile) Thoroughly serious.

Japanese Meaning

極めて真面目な、厳粛で重々しい様子を示す / 非常に真剣で、冗談が通じないほど厳粛な状態

When she announced the layoffs, her voice was grave as a judge, and the office fell completely silent.

彼女が解雇を発表したとき、声は裁判官のように厳粛で、オフィスは完全に静まり返った。

Sense（1）

(simile) Thoroughly serious.