1 . 从他担心的表情来看，我们知道他一定遇到了一些麻烦。
________ ________his worried face, we know that he must have had some trouble.

2 . 苏炳添在东京奥运会上跑出了男子百米9秒83的成绩。换句话说，他创造了中国田径新的历史。
Su Bingtian finished the men's 100-meter dash with a time of 9.83 seconds at the Tokyo Olympics. ________ ________ ________, he created a new history of China's athletics.