几个不速之客混进了婚礼现场，保安不得不把他们请出去。

Several ___gatecrashers sneaked into the wedding venue, and security had to escort them out.

保安不得不把几个擅自闯入的派对捣乱者赶了出去。

The security had to kick out a few ___gatecrashers from the private party.