B2 [ I or T ] to make a high sound by forcing air through a small hole or passage, especially through the lips, or through a special device held to the lips:
He whistled as he worked.
› [ I + adv/prep ] to make a long, high sound while moving quickly through or past something:
I stepped out of the building and immediately a bullet whistled past my head.
詞庫:同義詞和關聯詞
B2 the sound made by someone or something whistling:
I recognized my father's tuneless whistle.
It sounded like the whistle of an old-fashioned steam train.
詞庫:同義詞和關聯詞