慢性子意思是指做事迟缓的人，慢性子的人。这种性情在英语中称为slowcoach，我们先看一下字典中的解释：
Slowcoach
Collins：a person who moves, acts, or works slowly
Webster：one who is slow or is lethargic in temperament : one who thinks or moves slowly
您看到了吗，slowcoach的意思就是“慢性子的人”。例句：
1. "Come on, slowcoach," said Frank, pushing up the pace still more. “快点，你个慢性子，”法兰克说，一边加快了步伐
2. He does anything at at a snail's pace.He is really a slowcoach. 他做什么事情都慢吞吞地。真是个名副其实的慢性子。
请注意，slowcoach是英国英语，美国一般说成slowpoke（美国人极少用slowcoach）。
Slowpoke
Collins：If you call someone a slowpoke, you are criticizing the fact that they do something slowly.
Webster： a very slow person
两个词的用法相同，故不再加入例句。
如果“慢性子”的英语是“slowcoach”，那“急性子”的英语是不是“quickcoach”或“fastcoach”？答案是否定的，不是每个英语单词都有对应的反义词。那“急性子”的英语又怎么说呢？这里为您介绍两个词。
1） Hothead
Collins：If you refer to someone as a hothead, you are criticizing them for acting too quickly, without thinking of the consequences.
例句：
1. One given to anger stirs up strife, and the hothead causes much transgression. 好气的人挑起争端；暴怒的人多多犯罪。
2. He also held grudges, was a hothead, and needed to learn the lessons of both respect and compassion. 他也有很多抱怨，同时还容易冲动，他需要学习尊重以及怜悯。
除了“hothead”这个名词外，在向您介绍一个形容词“impetuous”
Collins：If you describe someone as impetuous, you mean that they are likely to act quickly and suddenly without thinking or being careful.
例句：
1. James Purnell An impetuous young minister. 詹姆斯·珀内尔，一位年轻浮躁的大臣。
2. He was young and impetuous. 他年轻，容易冲动。
英语中并非每个单词都有相对应的反义词，我们在平日的学习中要放弃“想当然”的思维方式，多查字典，多找例句。
本期内容介绍完毕。
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