Before the accident, he was hard-working and good-natured, but he became ill-tempered and generally disliked.
在受伤之前，他是一个工作勤奋，性格敦厚的人，但受伤之后，他变得暴躁，喜怒无常。
It is hard to get on with a bad-tempered person.
同脾气不好的人很难相处。
Bainite has higher abrasive wear resistance than tempered martensite with equal or higher hardness in hard abrasion, but in reverse in soft abrasion.
下贝氏体组织在高应力磨料磨损下比相同硬度，或稍高硬度的回火马氏体组织具有较高的耐磨性，但在低应力磨损下表现为不利的作用。
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