YOU SAID:

When the fire alarm goes off, people should evacuate the building under certain circumstances.

INTO JAPANESE

火災アラームがオフになるとき、人々 は特定の状況下の建物を避難させる必要があります。

BACK INTO ENGLISH

You need people to evacuate buildings under certain circumstances when the fire alarm went off.

INTO JAPANESE

火災警報機が鳴ったとき、特定の状況下で建物を避難する人が必要。

BACK INTO ENGLISH

You need people to evacuate buildings under certain circumstances when the fire alarm rang.