showtime意思是演出时间；节目播出时间。是一个单词。
show time意思是做秀时代，秀场。是一个词组。
showtime
It's close to showtime now, so you retire into the dressing room.
开演时间快到了，你得进化装间了。
Everyone is gibbering insanely, nerves frayed as showtime approaches.
随着开演时间逼近，大家都紧张起来，慌里慌张地念着台词。
It's almost showtime, you ready?
快到开始了，你准备好了吗？
show time
But now, its show time!
但是现在，你的演出时间到了！
This is a show time!
这是一个作秀的时代！
All right, ladies and gentlemen, it's show time.
好了，各位先生女士，好戏上场了。