素材一:守信老锁匠一生修锁无数,技艺高超,收费合理,且为人正直,深受人们尊重。可是,他老了,为了不让技艺失传,人们帮他物色徒弟。最后老锁匠挑中了两个人。要哪一个呢?老锁匠决定对他们进行一次考试。老锁匠让两个徒弟同时去开两个保险柜,谁用时短谁就获胜。 One material: trustworthy old locksmith repair locks for many lifetime, superb skills, reasonable fees, and integrity, and respected by people. However, he is old. In order not to lose his skills, people help him find apprentices. Finally, the old locksmith picked two people. Which one? The old locksmith decided to give them an exam. The old locksmith allowed the two apprentices to open two safes at the same time, and whoever was short would win.