サイレンが急変を知らせました。

tbd

The siren sounded an emergency.

彼には本当の病名を知らせないで下さい。

tbd

Please don't let him know the real name of his illness.

教室に入って席に着くのとほぼ同時に、始業を知らせるチャイムの音が鳴り響く。

tbd

About the same time as he entered the classroom and arrived at his seat, the chime to announce class rings across the school.

両親にあなたの計画を知らせてありますか。

tbd

Have you acquainted your parents with your plans?

留守中の出来事はすべて私に知らせておいてください。

tbd

Please keep me informed about whatever happens in my absence.

Please keep me informed of whatever happens in my absence.

来るときはいつでも知らせてください。

tbd

Let me know whenever you come.

万一彼がこちらへきたらすぐ知らせます。

tbd

If by any chance he comes here, I'll let you know at once.

万一考えを変えることがあったら、私に知らせて下さい。

tbd

Should you change your mind, let me know.

万一気が変わったら、知らせて下さい。

tbd

If you change your mind, let us know.

If you change your mind, let me know.

If you should change your mind, let me know.

万一間違いを見つけたら、直ちに知らせてください。

tbd

If you find a mistake, please let me know right away.

If you should find any mistakes, please let me know at once.