YOU SAID:

The kids were swimming in the pool, even though it was cold.

INTO JAPANESE

子供たちは寒くてもプールで泳いでいました。

BACK INTO ENGLISH

The children were swimming in the pool even when it was cold.

INTO JAPANESE

子供たちは寒い時でもプールで泳いでいました。

BACK INTO ENGLISH

The children were swimming in the pool even when it was cold.