pron.它;他;正好是所需的;事实[情况];
n.<美俚>傻瓜,笨蛋;<俚>绝妙的人;理想的东西;登峰造极;
例句:
It is within my power.
那是在我的权力以内.
It is unsanitary to eat without washing one's hands.
饭前不洗手,不卫生.
Nowadays it is very easy to earn a living.
现今谋生很容易.