they are so light and easy to hide.

它们那么轻，藏起来很容易。

youdao

It won't be easy to hide your true feelings this week.

隐藏真实的感情对你来说并非易事。

youdao

A face to tell thousands of emotions, mood is very easy to hide.

一张脸诉说千种情绪，却很容易掩饰心情。

youdao

Income from wealth is easy to hide and hard to tax -- and perfectly legally.

CNN: Why do the Romneys pay so little in taxes?

But this time a sudden slowdown would not be easy to hide.

ECONOMIST: It is time for China to unshackle the price of money

The current system is convoluted and hard to understand for most people, and it makes it easy to hide behind excuses if promised technology fails to deliver.

FORBES: Fixing A Broken Biofuel Incentive Program