oh meaning in English — huh, OH, why

English meaning

huh interjection Used to show confusion, surprise, or to ask someone to repeat what they said.
OH intj Used to express surprise, realization, understanding, or emotion.
why adv For what reason or purpose; used to ask a question.
wow intj Used to express surprise, excitement, or admiration.

oh is used for these senses in English:

huh (slang, with falling pitch) Used either to belittle the issuer of a statement/question, or sarcastically to indicate utter agreement, and that the statement being responded to is an extreme understatement. The intonation is changed to distinguish between the two meanings - implied dullness for belittlement, and feigned surprise for utter agreement.
oh Expression of surprise.
why (dated, or, literary) An exclamation used to express pleasant or unpleasant mild surprise, indignation, or impatience.
wow An expression of amazement, awe, or admiration.

interjection Used to show confusion, surprise, or to ask someone to repeat what they said.
interjection Added to the end of a sentence to turn it into a casual question, inviting agreement.

hein ah ô pourquoi bah eh bien ha pardi ouah oh là là waouh