英:/''ʃʊdnt/ 美:/''ʃudnt/
不应该，不应（等于should not）
You shouldn't do that.
你不该那么做
You shouldn't knock the food. After all, it's free!
你不应该批评这个食物。毕竟，这是免费的！
Life is full of challenges. Being happy shouldn't be one of them.
生活充满挑战。快乐不应是挑战。
You shouldn't put off until tomorrow the things that you can do today.
今天该做完的事不能拖到明天。
We shouldn't be surprised to hear these big bosses have mistresses on the side.
这些大佬有情妇的消息不足为奇。
You really shouldn't mess around with fire. Someone could get hurt!
你真的不应该乱玩火。有人会受伤的！
Clothes shouldn't define a person. Actions should define people.
衣服不能定义一个人，行为才能定义人。
You shouldn't get angry with your daughter. Extreme fluctuations in mood are normal for teenagers.
你别跟你女儿生气。青少年情绪极度波动是正常的。
I don't agree with the regulations governing income taxes. People shouldn't have to give away their hard-earned money.
我不赞同个人所得税的管理办法。人们不应该把辛苦所得的钱散出去。
I had some pretty restless sleep last night. I knew I shouldn't have drank that coffee in the afternoon!
昨晚我睡得非常不安稳，我就知道下午我不该喝咖啡的。
As long as we leave before 3:00 traffic shouldn't be a problem.
只要我们在3:00前离开，应该不至于堵车。
You really shouldn't be playing on your phone during company meetings.
你真的不应该在开公司会议的时候玩手机。
Kids nowadays shouldn't even have a smartphone in the first place.
今天的孩子本来就不该拿手机。
You shouldn't drink and drive.
你不该酒后驾车。
You shouldn't drive so fast.
你不应该把车开得这么快。
Oops, I shouldn't have said that.
哎哟，我不应该说那些。
You shouldn't exercise on a full stomach.
你不应该吃饱了就运动。
They shouldn't be striking for more money.
他们不该为更多的钱而罢工。
音标：
全称：should not
词性：情态动词否定式（Modal Verb Negative），由情态动词should 和否定词not 缩合而成。
基本定义：
Youshouldn't eat expired food.（你不该吃过期食品。）
Heshouldn't be careless next time.（他下次不该粗心。）
语法规则：
Sheshouldn't open the windows.（她不该开窗。）
Should Linda wash the shoes? – No, sheshouldn't.
使用场景：
Youshouldn't work all day without moving.（你不该整天坐着不动。）
Studentsshouldn't use phones in class.（学生不该在课堂上用手机。）
The trainshouldn't be delayed.（火车按理不该晚点。）
语气强度：
Youmustn't smoke here.（禁止吸烟） vs. Youshouldn't eat junk food.（建议少吃垃圾食品）
委婉表达：
原句：Youshouldn’t leave your stuff here.
替换：Let’s not leave our stuff here.
虚拟语气与过去时态：
Ishouldn’t have said that.（我不该说那些话。）
shouldn't vs. oughtn't to：
Youshouldn’t lie.（你不该撒谎。）→ 主观建议
Yououghtn’t to break the law.（你不该违法。）→ 强调责任
shouldn't vs. don't have to：
Youshouldn’t skip breakfast.（不该不吃早餐） vs. Youdon’t have to pay now.（不必现在付款）
shouldn't 是英语中表达否定建议、义务或逻辑判断的核心情态动词，需注意其与mustn't、oughtn’t to 等词的语气差异，并在实际使用中根据语境调整表达方式以避免生硬。通过例句练习和场景模拟，可有效掌握其灵活用法。
单词 "shouldn't" 是一个缩写词，其全称为 "should not"。该词通常用于表示某个动作或行为不应该发生，是一个否定的情态动词，常用于英语中的劝告、警告或建议语气。
以下是一些例句，以帮助更好地理解该词的用法：
"shouldn't" 的主要使用场景是在表示否定建议或警告的情况下。它可以用于不同的时间形式，如过去时、现在时或将来时等。
以下是一些使用 "shouldn't" 的常见情况：
以下是一些与 "shouldn't" 近义的词语：
以下是一些与 "shouldn't" 反义的词语：
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