正确的提问应该是: What's this? ，这句话的意思是"这是什么?" 。
例句：
1.What's this trash you're watching?
你看的这个乌七八糟的节目是什么？
2.What's this horrible gunge in the bottom of the bucket?
水桶底部黏乎乎怪恶心人的东西是什麽?
3." What's this so - called general strike committee they've got ? And who's behind it pulling the strings? "
“ 到底她们那什么总同盟罢工, 背后是哪些人在那里搅? ”