Silbo
<西>n.(加那利群岛中戈梅拉岛土著居民使用的)哨语[字面意义：whistle,whistling]
🗣️ 情景例句
What's your problem, Mike?
你现在问题在哪 ，Mike？
Loud noise.
嘈杂的声音。
an Englishman, Sir John Hawkwood, made the remarkable discovery that people would rather pay large sums of money than have their life work destroyed by gangsters.
人们情愿拿出大笔的钱，也不愿毕生的心血毁于歹徒之手。