fooling

n.

开玩笑的言行，戏谑；

v.

愚弄，耍弄( fool的现在分词 )；欺骗；开玩笑；说蠢话，干傻事（常为逗乐）

fooling around闲逛；闲荡

1. Stop fooling about with that knife or someone will get hurt.
   不要摆弄那把刀，会伤人的。
2. I was only fooling when I said I'd lost your keys.
   我说把你的钥匙丢了，只是逗你玩的。
3. He spends so much time fooling around that he never accomplishes anything.
   他虚度光阴太多，所以一事无成。
4. Stop fooling!
   别鬼混了！

Who is fooling us?
Who is fooling us?
Who is fooling us?
Who is fooling us?
Who is fooling us?
Cellular camouflage: fooling the immune system with polymers
Calcimimetics and calcilytics--fooling the calcium receptor
ChemInform Abstract: Cellular Camouflage: Fooling the Immune System with Polymers
Discharge planning: ‘fooling ourselves?’– patient participation in conferences
Self-focused attention and the placebo effect: Fooling some of the people some of the time.