適応 adaptation; conformity
照れくさい embarrassing; awkward
試着 trying on clothes
へちゃむくれ term of abuse about someone's looks, etc.
に付き because of; regarding​
ほにゃらら  something something; something or other
母性本能  maternal instincts
勢い  force; vigor
程がある  to have a limit; to go too far (e.g. joke)
抱き合う  to embrace each other
赴任 moving to a different location to start a new job; (proceeding to) new appointment
不純異性交遊 illicit sexual relationship
厳禁 strict prohibition; ban
断固阻止  standing firmly against
私利私欲 desire to act only in one's self-interest; selfish desires​