Cool MateHe thinks he's mad now 对比 Unstable
在英语中何时使用每一个，包含含义、语域和例句。
He thinks he's mad now
非正式10000 以上（较少见）
Unstable
前 2000（常见）B2adjective
最正式: Unstable最常见: Unstable
| He thinks he's mad now | Unstable | |
|---|---|---|
| 发音 | 🇬🇧 //hiː θɪŋks hiːz mæd naʊ//🇺🇸 //hi θɪŋks hiz mæd naʊ// | 🇬🇧 //ˌʌnˈsteɪbəl//🇺🇸 //ʌnˈsteɪbəl// |
| 含义 | 他现在觉得自己疯了。He believes he is crazy right now. | 不稳固或不安全，常常容易变化或失败。Not steady or secure, often likely to change or fail. |
| 例句 | In stressful situations, he thinks he's mad now. | The weather in spring can be quite unstable. |
| 语域 | 非正式 | 中性 |
| 常见程度 | 10000 以上（较少见） | 前 2000（常见） |
| CEFR 等级 | - | B2 |
| 词性 | adjective | |
| 搭配 | think he's mad, feels mad now, acting mad | unstable condition, unstable situation, unstable environment, unstable economy, unstable relationship |
| 反义 | sane, reasonable | stable, secure, steady |
| 常见错误 | Confused with 'mad' meaning angry vs. mentally unstable., Using 'mad' in a formal setting where 'crazy' is more appropriate. | Confused with 'stable' — remember that unstable means not stable., Using it to describe people directly without context—better for situations or conditions. |
| 用法说明 | 这句话常用于幽默地描述某人感到不知所措或困惑。它比较口语化，在严肃的场合应避免使用。This phrase is often used humorously to describe someone feeling overwhelmed or confused. It's informal and should be avoided in serious contexts. | 在日常和技术语境中都可以使用。避免在期望积极含义的对话中使用。Used in both everyday and technical contexts. Avoid in conversations where positive connotations are expected. |
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常见问题：He thinks he's mad now 对比 Unstable
He thinks he's mad now和Unstable 有什么区别？
He thinks he's mad now: He believes he is crazy right now. Unstable: Not steady or secure, often likely to change or fail.
哪个更正式：He thinks he's mad now和Unstable？
Unstable 是其中最正式的。
哪个更常见：He thinks he's mad now和Unstable？
Unstable 在日常英语中最常见。
能各给一个例子吗？
He thinks he's mad now: In stressful situations, he thinks he's mad now. Unstable: The weather in spring can be quite unstable.
我可以互换使用 He thinks he's mad now和Unstable 吗？
不总是。He thinks he's mad now和Unstable 相关，有时可以互换，但在语域、常见程度和用法上不同，所以换用可能改变意思或语气。替换前先看看上面的区别。