whistling
動詞
1.
口笛を吹く
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:
例:
•
He whistled as he worked.
Lingolandでこの単語を学ぶ
口笛を吹く
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: