v.吹口哨( whistle的过去式和过去分词 )；鸣笛；呼啸着前进；空指望 双语释义：n.(名词)[C] 哨子,汽笛 an instrument to whistle[C] 口哨声,汽笛声 the high sound made by passing air or steam through a small tube-shaped area, either an instrument or a mouthv.(动词)vi. & vt. 吹口哨 make a sharp, clear, piping so