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

diagram, figure, illustration

solution

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)

(humorous) Alternative form of わかりません (wakarimasen, “I don't know”)

question, problem on homework etc. / a question; a matter (of time etc.) / a problem (something that needs to be dealt with); a trouble / an issue; a matter

to see, to watch, to observe, to look at something / to look over, to examine, to judge / to take care of, to look after, to keep an eye on somebody