教你两招:在街头,你不能只光顾着打球,做观众你也要有两下子。先教你几招。一、打口哨很简单地,按以下步骤稍加练习包你会得到满意的效果,不过想要吹得很响,还是有难度的。口哨练习一1.漱口、洗手、剪指甲、抠指甲泥; Teach you two strokes: In the streets, you can not only play the ball, you have to do both audiences. Teach you a few strokes. First, the whistle is very simple, according to the following steps a little practice pack you will get satisfactory results, but you want to blow very loud, or difficult. Whistle practice a mouthwash, wash your hands, cut nails, fingernails mud;