piece of cake

• He thought his first solo flight a piece of cake
  他认为他第一次单飞一点都不难。
• Student : yes . i ate a piece of cake yesterday
  学生：会。昨天我吃了一块蛋糕。
• His teacher said it was a piece of cake
  他老师说那是一块儿蛋糕（小菜一碟） 。
• If you go with me , you shall get a piece of cake
  如果你和我去，你就能有一块蛋糕。
• Kate ： there ' s only one piece of cake left . may i
  凯伊：还有一块蛋糕，我可以吃吗
• Our homework last night was a piece of cake
  我们昨天晚上的家庭作业很容易。
• No problem . it s a piece of cake ! " so , up she went
  她说： ok ，没问题，这个很好办。
• Don ' t worry . it should be a piece of cake for you
  别担心，这对你来说是易如反掌的。
• Lt ' s a piece of cake we ' ll beat them up and take it back
  一块蛋糕而已我们会拿回来的
• Could you slice me a very thin piece of cake
  你能为我切一片很薄的蛋糕吗？