At 20 years old he was not as agile as he is now.
20岁时他并不如现在这般矫健。
It is axiomatic that as people grow older they generally become less agile.
人年纪越大通常灵活性越差，这是不言而喻的。
She was quick-witted and had an extraordinarily agile mind.
她机智聪慧，思维极为敏捷。
Quick and watchful, the agile Greek leaped lightly aside, and struck so fell and dexterous a blow on the head of the snake.
那个机灵的希腊人，行动既敏捷又早有提防，轻捷地跳到一边，凶猛利落地对准蛇头打去。
Agile software development introduces a new paradigm into software engineering.
敏捷软件开发给软件工程引入了一种新的模式。