I fully understand why you are not comfortable about it.
我完全理解你为何对此事感到不舒服。
If we prepare fully, we can achieve great things.
做好充分的准备我们就能取得好成绩。
There were fully 200 people present at the ceremony.
足足有200人出席典礼。
The journey will take fully two hours.
这个行程要花整整两个小时。