YOU SAID:

Don't wake up or else you'll find a spider in your house

INTO JAPANESE

起きないでください、さもないと家の中に蜘蛛がいるでしょう

BACK INTO ENGLISH

don't wake up or there will be spiders in the house

INTO JAPANESE

起きないでください、そうしないと家の中に蜘蛛が出るでしょう

BACK INTO ENGLISH

don't wake up or there will be spiders in the house