completely

The ancient city was completely destroyed by the sudden volcanic eruption in 79 AD.

(Chinese) 公元79年突然爆发的火山彻底摧毁了这座古城。

I completely forgot about our dinner reservation until my phone buzzed with a reminder.

(Chinese) 直到手机震动提醒，我才彻底忘了我们的晚餐预订。