求翻译：为了吸引学生安静认真地听自己讲课，他承诺，只要学生安静地听，每过15秒钟，他就喝下一瓶酸奶。为了看老师出丑（呕吐），也为了好奇，学生真的安静地听老师讲课，当有人说话时，大家群起“嘘”之。一节课下来按照30分钟计算，老师喝掉了4*30=120瓶酸奶。难受吗？当然难受，但是，老师让学生看见了自己要他们学习知识的毅力和决心。是什么意思？

Quiet and listened attentively to their own lectures in order to attract students, he promised, as long as the students listened quietly, every 15 seconds, he would drink a bottle of yogurt. In order to see the teacher to make a fool (vomiting), for curiosity's sake, the students really listened qui

In order to attract students listened carefully to quiet their own classes, as long as he promises, and quiet to hear students, each 15 seconds, he would drink a bottle under yogurt. In order to see the teacher fool (vomiting), and also to the curiosity, the students are really quiet, listen to what

In order to attract the student earnestly to listen oneself to teach peacefully, he pledged, so long as the student listens peacefully, each 15 seconds, he has drunk the next bottle of yogurt.In order to look teacher makes a boner (vomit), also in order to curious, the student really peacefully list

In order to attract students to quietly listen to what their own lectures, he pledged, as long as the students to listen to quiet, every 15 seconds, he would drink a bottle of yogurt. For teachers to screw up (vomiting), or curiosity, students really silently listening to the teacher, when you talk

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