приглядеть за('Sharon, can you keep an eye on my apartment until I get back? I'm worried about all these break-ins.' 'Sure, I'll keep an eye on it.'ART Vancouver)
наблюдать за(состоянием чего-л., возможными изменениями в обстановке: "Got 4 condos being built around my house & 3 more waiting to go up. The house has been cracking like a new house settling. I go to close my yard gate & it won’t close cuz it’s shifted. The VW on Marine Drive had to redo their foundations after the building went up across the street. I am seeing the first clues now. Early stages at this point. Putting clues together. It’s something to keep an eye on." -- Нужно наблюдать. (Twitter)ART Vancouver)
держать ухо востро(If a team scratches in front of you, you will move up to their spot, so keep on your toes and listen carefully for announcements.4uzhoj)
