YOU SAID:

if you're feeling under the weather we'll cross that bridge when we get there "if I can wrap my head around it"

INTO JAPANESE

あなたが天気の下で感じているなら、私たちがそこに着いたときにその橋を渡るでしょう

BACK INTO ENGLISH

If you feel under the weather, you will cross that bridge when we get there

INTO JAPANESE

天気が悪いと感じたら、そこに着いたらその橋を渡ります

BACK INTO ENGLISH

If you feel the weather is bad, cross the bridge when you get there

INTO JAPANESE

天気が悪いと感じたら、そこに着いたら橋を渡ります

BACK INTO ENGLISH

If you feel the weather is bad, cross the bridge when you get there