"完全地" 英文可以用 "completely" 来表达。这个词来自拉丁文 "com-" 和 "plere" 的结合，"com-" 意为 "全部"，"plere" 意为 "填满"，因此 "completely" 的意思就是 "完全地" 或 "彻底地"。
下面是一些例句：
He was completely exhausted after the marathon. 他在马拉松之后完全筋疲力尽。
The kitchen was completely destroyed in the fire. 厨房在火灾中完全被摧毁。
She completely forgot about our lunch date. 她完全忘记了我们的午餐约会。
下面是一些例句：
He was completely exhausted after the marathon. 他在马拉松之后完全筋疲力尽。
The kitchen was completely destroyed in the fire. 厨房在火灾中完全被摧毁。
She completely forgot about our lunch date. 她完全忘记了我们的午餐约会。