Undoubtedly 对比 Your leg must be hurting you

在英语中何时使用每一个，包含含义、语域和例句。

Undoubtedly

正式前 5000（相当常见）C1adverb

Your leg must be hurting you

前 2000（常见）

最正式: Undoubtedly最常见: Your leg must be hurting you

	Undoubtedly	Your leg must be hurting you
发音	🇬🇧 //ʌnˈdaʊtɪdli//🇺🇸 //ʌnˈdaʊtədli//	🇬🇧 //jɔː lɛɡ mʌst bi ˈhɜːtɪŋ juː//🇺🇸 //jʊr lɛɡ mʌst bi ˈhɜrtɪŋ ju//
含义	肯定；毫无疑问。Definitely; without a doubt.	你的腿可能在疼。Your leg is probably in pain.
例句	She is undoubtedly the best candidate for the position.	After that long run, your leg must be hurting you.
语域	正式	中性
常见程度	前 5000（相当常见）	前 2000（常见）
CEFR 等级	C1	-
词性	adverb
搭配	undoubtedly true, undoubtedly clear, undoubtedly helpful	must be, hurting you, must feel, must have, must assume
反义	doubtfully, questionably, uncertainly	-
常见错误	Confused with 'undoubtably', which is incorrect., Omitting it when certainty is implied., Using it in informal contexts where 'definitely' is more suitable.	Confusing 'must' with 'might' for less certainty., Omitting 'you' in direct statements., Incorrectly using 'hurted' instead of 'hurt'.
用法说明	用于强调确定性或强烈信念；通常在正式写作或演讲中使用，在日常对话中不常见。Used to emphasize certainty or strong belief; typically in formal writing or speeches, not common in casual conversation.	用 'must' 来表达强烈的假设或推断，通常在观察到别人的状况时，在口语或非正式场合使用。Use 'must' to express a strong assumption or deduction, typically in spoken or informal contexts when observing someone else's condition.

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Undoubtedly和Your leg must be hurting you 有什么区别？

Undoubtedly: Definitely; without a doubt. Your leg must be hurting you: Your leg is probably in pain.

哪个更正式：Undoubtedly和Your leg must be hurting you？

Undoubtedly 是其中最正式的。

哪个更常见：Undoubtedly和Your leg must be hurting you？

Your leg must be hurting you 在日常英语中最常见。

能各给一个例子吗？

Undoubtedly: She is undoubtedly the best candidate for the position. Your leg must be hurting you: After that long run, your leg must be hurting you.

我可以互换使用 Undoubtedly和Your leg must be hurting you 吗？

不总是。Undoubtedly和Your leg must be hurting you 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。