It always goes out if I use the backhand-overhead-stroke.

如果我用反手肩上击球，球老是出界。

youdao

It often goes out if I use the backhand-overhead-stroke.

如果我反手肩上击球，球常常出界。

youdao

It often goes out if I use the backhand-overhead-stroke.

如果我反手肩上击球，球常常出界。

youdao