YOU SAID:
When it rains it pours
INTO JAPANESE
いつ雨が降る注ぐ
BACK INTO ENGLISH
When it rains pour
INTO JAPANESE
雨が降るとき注ぐ
BACK INTO ENGLISH
When the rain pours
INTO JAPANESE
雨を注ぐとき
BACK INTO ENGLISH
When the pouring rain
INTO JAPANESE
雨を注ぐとき
BACK INTO ENGLISH
When the pouring rain
That didn't even make that much sense in English.