take a peek稍微留意，偷偷看，偷窥 / take a peek at 匆匆一瞥；窥视 peek v.偷看；窥视 / n.偷看；窥见

【例句】
Just take a peek for me, will you? Tell him you want some water.
就帮我偷偷看一眼好不好?告诉他你想要点水。

Don't peek at your new year present.
别偷看你的新年礼物。