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
Well, Robbie told me when he gave me this.
嗯，当Robbie送给我这个的时候他告诉了我。
All your life you make many friends.
一生能结交许多的朋友。
Yes.some time next week would be good.
好啊，就下个星期找个时间吧。