nba 在

zài (located) at; (to be) in; to exist; in the middle of doing sth; (indicating an action in progress)

哪

nǎ how; which

na (particle equivalent to 啊 after noun ending in -n)

něi which? (interrogative, followed by classifier or numeral-classifier)

投注

tóu zhù to throw one's energies (into an activity); to invest one's emotions (in sth); to bet; betting

啊

a modal particle ending sentence, showing affirmation, approval, or consent

ā interjection of surprise; Ah!; Oh!

á interjection expressing doubt or requiring answer; Eh?; what?

ǎ interjection of surprise or doubt; Eh?; My!; what's up?

à interjection or grunt of agreement; uhm; Ah, OK; expression of recognition; Oh, it's you!

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