注意 (zhù yì): 주의를 기울이다; 주의를 기울이다; 유의하다; 조심하다; 조심하다; 주의; 주목

Please pay attention to the teacher's lecture.

I noticed that he didn't look well.

Be careful about safety when crossing the road.

Watch out, don't knock the cup over.

The weather is turning cold; you should take care of your health.