YOU SAID:

welcome to the party. careful not to get defenestrated

INTO JAPANESE

パーティーへようこそ。防御しないように注意する

BACK INTO ENGLISH

Welcome to the party. Be careful not to defend

INTO JAPANESE

パーティーへようこそ。守らないように気をつけよ

BACK INTO ENGLISH

Welcome to the party. Be careful not to protect it.

INTO JAPANESE

パーティーへようこそ。それを保護しないように注意してください。

BACK INTO ENGLISH

Welcome to the party. Be careful not to protect it.