early 
英 [ˈɜːlɪ]  美 [ˈɜrli] 
adv. 在初期；提早

adj. 早期的；早熟的

例句：
We decided to have an early lunch. 

我们决定早点儿吃午餐。

You're ten minutes early. 

你提早了10分钟。

She was half an hour early for her next appointment. 

她提前了半个小时赶到了下一场约会的地点。

The service takes place in the early afternoon. 

礼拜仪式在午后举行。

The shops put up their metal gratings at an early hour. 

商店早早地就挂上金属栅板打烊了。