주시해요 · 주시했어요 · 주시할 거예요 · 주시하세요
to watch closely, to keep an eye on, to monitor
Example
정부는 국제 유가의 움직임을 주시하고 있습니다.
The government is closely watching movements in international oil prices.
Word parts
주 pour+시 look
Literally 'pour one's gaze' — focused, careful watching.
Good to know
예의 주시하다 'to watch intently' is a set phrase in news.