初めてのアレの日は、確かに病気かと二日間ほど誰にも言わず思い悩んだ記憶があります。

tbd

The first 'that time of the month' I seem to remember worrying that I was ill, without telling anybody, for two days.

料理のことであれば、誰にも負けないよ。

tbd

When it comes to cooking, no one can beat me.

明日何が起こるか誰にも分からない。

tbd

No one can tell what may turn up tomorrow.

明日何が起こるかなんて誰にもわからないよ。

tbd

You never know what will happen tomorrow.

You never know what'll happen tomorrow.

明日何が起きるのかは誰にもわからない。

tbd

There is no telling what will happen tomorrow.

僕たちの計画を誰にもしゃべるなよ。

tbd

Don't mention our plan to anybody.

Don't tell anyone our plan.

彼女は誰にも劣らずよく働く。

tbd

She works as hard as anybody does.

彼女は誰にも優しい。

tbd

She is gracious to everyone.

彼女は水泳では学校ではだれにも負けない。

tbd

She is second to none in swimming in her school.

彼女はフランス語の駆使能力においては誰にも劣らない。

tbd

She is second to none in her command of French.