to notice sb/sth doing sth注意到…做…
Myra noticed a bird sitting on the garage roof.迈拉注意到一只鸟在车库顶上栖息。
People should not hesitate to contact the police if they've noticed anyone acting suspiciously.一旦发现任何行为可疑的人, 应当立即报警。
Luckily, I'd noticed where you left the car.幸运的是, 我注意到你把车放在哪了。