look第三人称单数形式是looks。looks的意思是看，瞧，查找，眼神，表情，神情，脸色。looks的例句：The child looks a bit listless，I'm afraid he's not well（这孩子有点苶，怕是病了）。

looks的例句：It looks like an innocent bystander was killed instead of you（看起来是一个无辜的旁观者当了你的替死鬼）；I've got a rough idea of what he looks like（我已经大致知道他长什么样子了）。