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1·He set off jauntily, whistling to himself.

他吹着口哨神气活现地出发了。《牛津词典》

2·He was whistling softly to himself.

他自娱自乐地轻声吹着口哨。《柯林斯英汉双解大词典》

3·The wind was whistling through the building.

风呼啸着穿过那座大楼。《柯林斯英汉双解大词典》

4·The microphone was making a strange whistling sound.

扩音器发出一种奇怪的哨音。《牛津词典》

5·Whistling is popular at La Gomera, and many methods of whistling are used.

吹口哨在拉戈梅拉很流行。吹口哨的方法很多样。

6·That is why whistling is so useful to the local people.

这就是为什么吹口哨对当地人如此有用。

7·A piece of classical music, played by guqin, fills up the house and floats into your hearts, as if you hear birds singing, pines whistling and rivers flowing.

一曲古琴弹奏的古曲回响于屋内，沁入心间，你仿佛听到了鸟鸣、松籁、流水。

8·Anything you like, said the Footman, and began whistling.

“随你的便。”仆人说着吹起了口哨。

9·While Heidi was still wondering what the grandfather had meant, Peter arrived, whistling and calling.

海蒂还在纳闷爷爷是什么意思时，彼得来了，边吹着口哨边叫着。

10·A north wind is whistling.

北风呼呼地吹。《新英汉大辞典》

(1)blow the whistle告发；揭发

(1)clean as a whistle擦得净亮