口哨
definition
verb
the audience cheered and whistled
emit a clear, high-pitched sound by forcing breath through a small hole between one's lips or teeth.
you can go home and whistle for your wages
wish for or expect (something) in vain.
translation of 'whistling'
verb
啸,
吹口哨,
鼻儿,
龠
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Credits: Google Translate