to examine something very carefully in order to discover information

He scrutinized the men's faces carefully/closely, trying to work out who was lying. 他仔细端详这些男人的脸，想弄清谁在撒谎。

Synonyms: check (EXAMINE)check something out (EXAMINE) examine (LOOK AT CAREFULLY)inspectperuse scan (LOOK)study (EXAMINE)survey (LOOK AT)