heads up

例句:

• She heads up the Student Union.
  她主管学生会的工作.
  
• Heads up, boys! A train is coming.
  孩子们,当心点! 火车开过来了.
  
• John heads up the project.
  约翰统筹该计划.
  
• They were tied up and their heads were covered.
  来自NEWYORKER
• Hope that gives others the heads up too.
  来自SA
• Sun Comes Up offers a Talking Heads-like hymnal to freedom.
  来自BBC