He was careful to keep out of sight.

他小心翼翼地躲开别人的视线。

I watched the car until it was out of sight.

我目送汽车，直到看不见为止。

The moment she was out of sight she broke into a run.

她一走出视线就突然开始跑。

When his head was out of sight, Colin turned to Mary.

本的头刚从视线中消失，科林就转向玛丽。

He darted through the greenness and into the close-grown corner and was out of sight.

它飞快地进入绿地，消失进了绿荫浓郁的角落，不见了踪影。