the hardest thing

• The hardest thing to learn is to be a good loser
  最难学的一点是要做一个输得起球的运动员。
• The social nature of the dental situation is the hardest thing for me
  社交活动最让我头疼。
• The hardest thing in the world to understand is the income tax
  世上最难懂的事是个人所得税。
• The hardest thing in the world to understand is the income tax
  这世上最难懂的就是所得税了。
• The hardest thing you ' ll ever learn is how to say good - bye
  你将学习到最困难的事情是说再见。
• To study english is not the hardest thing
  英语并不是最难做的事
• The hardest thing you ' ll ever learn is how to say good - bye
  你将学习到最困难的事情是如何说再见。
• The hardest thing is not to be able to work magic for a friend
  最苦恼的事情是不能为朋友创造奇迹。
• Is the hardest thing for me to do
  对我来说是最困难的事
• Cause love , love is so easy to feel but the hardest thing to say
  虽然是地球上一小点却在我心中无限的蔓延