catch sight of

Catching sight of the dog, he broke into a run.

他一看见那只狗, 就赶紧跑。

I fairly caught sight of him.

我清楚地看到他。

Finally he caught sight of the young man's light overcoat in the distance.

他总算在远处看见了那个年轻人穿的浅色外套。

His transposition considerations and the changing the point of view make Su-shi catch sight of the goodliness of the life.

移思考，变换角度看问题，使他看到生活中美好的一面。