learn one's lesson 吸取教训learn a lesson 接受教训,吸取教训This is Lesson One 这是第一课learn sth from one slips 从某人嘴里得知One is never too old to learn. 活到老,学到老
learn one's lesson from从...吸取教训,可以这么用例句:The boy learned his lesson from the Wolf story.
吸取经验教训