很容易的英文：
be apt to
be prone to
lie in a nutshell
参考例句：
It's a piece of cake.
这很容易。
Easy come; easy go
来得容易去得也快
A green wound is soon healed
新伤容易愈合
This kind of wood saws easily.
这种木材很容易锯。
Shit is easy to cure.
腹泻容易治。
The match lights easily.
这火柴容易划着。
one's susceptibility to emotion
容易动情,感情脆弱
This kind of dyestuff is easy to go off
此类染料容易褪色。
All the examinations were as easy as pie.
所有的考试都很容易
Iron is apt to rust
铁容易生锈。
apt是什么意思：
adj. 易于...的；有...倾向的；恰当的，贴切的；聪明的，反应敏捷的
abbr. 公寓，APT 系统
A man apt to promise is apt to forget
轻诺者,信必寡
He is apt at languages.
他善于学习语言。
In many ways the comparison is apt.
在诸多方面，这个对比是恰当的。
prone是什么意思：
adj. 易于…的；俯卧的
Weak people are prone to catch cold.
虚弱的人易于感冒。
An irrigation system is selected that is less prone to plugging
选择这样一个灌溉系统很少会阻塞。
He is always prone to jump to hasty conclusions.
他总是习惯于作草率结论。
lie是什么意思：
v. 躺，卧；被平放；呈...状态；在于；位于；展现；撒谎；欺骗
n. 谎言
Interest will not lie.
兴趣不会说谎。
an action, appeal that will not lie
不能受理的诉讼、 上诉.
transverse lie presentation
横位产式
