1 to find out more information about sb/sth, especially to find out if sth is true or not 查明是否属实；查证: We need to check out these rumours of possible pay cuts. 我们要查明这些有关可能减薪的传闻是否属实。

2 (especially US 尤为美) (informal 非正式) to look at sth, especially to find out if you like him/her/it 察看；查访: I'm going to check out that new club tonight. 今晚我要去那家新俱乐部看看。