YOU SAID:

When I was young, I was a serious LING TRAINER.

INTO JAPANESE

私が若い時、私は深刻なLINGトレーナーでした。

BACK INTO ENGLISH

When I was young, I was a serious LING trainer.

INTO JAPANESE

私が若いとき、私は深刻なLINGのトレーナーでした。

BACK INTO ENGLISH

When I was young, I was a serious LING trainer.