Know for a certainty that...
确实知道...
🧩 词语组成解析
know
[no]
v. 知道;了解;认识;确信;
n. 知情;
for
[fɚ]
prep. 为，为了;倾向于;关于;当作;
conj. 因为，由于;
🗣️ 情景例句
I do, Harry.
我是关心， Harry。
Call information for the number.
打查号台查询电话号码。
The thieves dropped the torch and ran away as quickly as they could.
小偷扔下了手电筒，飞快地逃走了。