이해가 · 이해를
understanding, comprehension
Example
설명을 들어도 이해가 잘 안 돼요.
Even after hearing the explanation, I don't really get it.
Word parts
이 reason+해 understand
Literally 'understanding the reason'.
Good to know
이해가 안 돼요 ('I don't get it') is more natural than 이해 못 해요 in many situations.
Related words