easy to understand / (of a person) able to be read like a book

not ... at all

even if ...,...cannot

very, exceedingly, awfully / (before a negative form) not at all, at all, by no means

explanation

to explain

Contraction of わからない (wakaranai), the informal present negative form of わかる (wakaru).

understanding (of feelings, opinions, circumstances, etc.)

causative of わかる (wakaru) / (fiction, pornography, vulgar) to "teach someone a lesson" via rough rape

polite negative of わかる (wakaru); negative of わかります (wakarimasu)