〜ことだから
JLPT N2 Cause and reasonsince it's... (knowing how they are)
Automated checks pass · no human review yetWhy?Help verify
ことだから bases a prediction on the known character of a person. Attach it to a noun with の, usually a person. The speaker reasons that, given what that person is always like, a certain outcome is expected.
Examples
のだから、てだろう。 Kare no koto dakara, mata okurete kuru darou.
Knowing him, he'll probably be late again.
なさんのだから、。 Majime na Tanaka-san no koto dakara, kanarazu kuru.
Since it's the diligent Tanaka, he'll definitely come.