我从来不知道我那么强壮，知道我18岁第一次参加比赛。

I didn't realize that I was that strong until I competed for the first time when I was 18 yrs old.

youdao

我从来不知道我那么强壮，知道我18岁第一次参加比赛。

I didn't realize that I was that strong until I competed for the first time when I was 18 yrs old.

youdao