I spied all the boys playing with a ball.

我偷偷望见一群男孩在玩球。

I spied all the boys playing with a ball.

我看到一群男孩在玩球。

I spied the man being killed in the street.

我看见那个人被人杀死在大街上。

I spied him trying to hide behind the tree.

我发现他试图藏在树后。

Right on top I spied a best-selling mystery novel.

我突然在正上方看见了一本畅销的神秘的小说。