ไม่ได้(mâi dâai)

cannot; not allowed; impossible

used before a verb to show inability, impossibility, or prohibition

did not

used before a verb to negate a past or completed action (often with a time phrase)

[to] fail to get/receive [sth]

to fail to obtain or receive something (e.g., ไม่ได้เงิน ‘didn’t get the money’)

unacceptable; not allowed (won’t do)

used as a predicate to judge something as not acceptable/impermissible (e.g., แบบนี้ไม่ได้ ‘This won’t do / This isn’t allowed’)

No way!; absolutely not

a forceful refusal or contradiction used alone or as a quick reply

not really/actually (corrective)

used before a verb/adjective/clause to gently contradict or downplay (e.g., ไม่ได้แพง ‘not really expensive’; ไม่ได้หมายความว่า… ‘does not mean that…’)