expression:

• being fast asleep (and totally unaware of what is going on around one) - four character idiom
• know-it-all manner

noun:

• your acquaintance - honorific language
• people who know - honorific language

ichidan verb / transitive:

• to distinguish; to recognize; to recognise; to tell apart; to differentiate (both figuratively and visually)
• to identify (whether an object is positive or negative in some aspect); to know the difference between something of superior and inferior quality (on sight or figuratively)

noun:

• wisdom tooth
• not knowing who your parents are; person who doesn't know who their parents are

noun / ~の noun:

• sophistication; wordly wisdom

~する noun:

• to lose one's innocence; to get sophisticated; to get to know the world by being in contact with people; to lose one's naivete

expression:

• how about ...?
• I wonder; I don't know

godan ~く verb / intransitive verb:

• to approach; to draw near; to get close
• to get acquainted with; to get closer to; to get to know

godan ~う verb / transitive:

• to take care of - archaism
• to be too much for one; to find unmanageable; to be beyond one's control; to not know what to do with - archaism ➜ 持て余す

particle:

• don't - prohibitive; used with dictionary form verb
• do - imperative; used with masu stem verb

interjection:

• hey; listen; you ➜ なあ

particle:

• now, ...; well, ...; I tell you!; you know - when seeking confirmation, for emphasis, etc.; used at sentence end
• wow; ooh - used to express admiration, emotionality, etc.; used at sentence end

adjective:

• admirable; charming; refined
• nostalgic
• curious; eager to know (or see, experience, etc.) - usually written using kana alone

godan ~う verb / transitive:

• to taste; to savor; to savour; to relish
• to appreciate; to enjoy; to relish; to digest
• to experience; to go through; to taste (e.g. victory); to know (e.g. pain)