lesson例句
He learned this
lesson the hard way from his own personal experience.
吃一塹長一智，他這個教訓來之不易——是從他自己的親身經歷中得來的。
The
lesson from all of this is perhaps a broader one.
從所有這一切中得出的教訓可能具有更廣泛的意義。
It was the quickest swimming
lesson I'd ever witnessed.
這是我所見過的最速成的游泳課。