yǎn / chàng / huì / xiàn / chǎng / rén / shù / yǐ / jīng / chāo / yuán / ， / bǎo / ān / zài / kòng / zhì / rù / chǎng / 。

演唱会现场人数已经超员，保安在控制入场。

The concert venue is already overcrowded with people; security is controlling entry.