嗳[ài]

叹(expressing disagreement or negation)

♦ ~, 没有这回事。你别信他。 No, it isn't true. Don't believe what he says.

♦ ~, 你搞混啦。 No, no, you're all mixed up.

另见 ǎi

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嗳[ǎi]
叹(expressing regret or annoyance)

♦ ~, 早知道就好了。 Oh! If only I'd known sooner.

另见 ài