peek

偷看；一瞥，看一眼英释中释nPeek is also a noun

窥视，偷看英释中释vto look quickly at something, or to look at something from behind something else, especially something that you are not supposed to see

1 sneak peek,先睹为快；快速前瞻

1 Companies have been paying outrageous fees for a peek at the technical data..各公司一直在为该技术资料的一窥支付惊人的费用。