The adverb of unmistakable: in a way that nobody could get wrong. You use it in front of an adjective or a noun-ish description to say 'this is so clearly true that there is no arguing': 'unmistakably Taiwanese', 'unmistakably angry', 'unmistakably his handwriting'. Think of it as a stronger, more elegant 'very clearly' or 'without any doubt'.

The adverb of unmistakable是 unmistakable 的副詞 in a way that nobody could get wrong意思是任何人都不會弄錯的那種方式。 You你 use it in front of an adjective or a noun-ish description會把它放在形容詞或近似名詞的描述前面 to say 'this is so clearly true that there is no arguing'表示「這件事清楚到沒什麼好爭的」 'unmistakably Taiwanese', 'unmistakably angry', 'unmistakably his handwriting'像「unmistakably Taiwanese」（一看就知道是台灣的）、「unmistakably angry」（明顯就是在生氣）、「unmistakably his handwriting」（一看就是他的字跡）。 Think of it as把它想成 a stronger, more elegant 'very clearly' or 'without any doubt'一種更強烈、更優雅版本的「very clearly」或「without any doubt」。

One useful thing to notice: it usually attaches to WHAT something is, not to how well something is done. So we say 'the tune is unmistakably Japanese' — the tune could not be from anywhere else — rather than 'she sang unmistakably'.

One useful thing to notice有一點值得注意 it usually attaches to WHAT something is它通常是接在「這是什麼」上面 not to how well something is done而不是接在「做得好不好」上面。 So所以 we say 'the tune is unmistakably Japanese'我們會說「the tune is unmistakably Japanese」（這曲調一聽就知道是日本的） — the tune could not be from anywhere else意思是這曲調不可能來自別的地方 rather than 'she sang unmistakably'而不會說「she sang unmistakably」。

It also often carries a small note of recognition, as if you are pointing at something and saying 'ah, that one, I know it'. Speakers use it in reviews, in descriptions, and when identifying people or styles.

It它 also often carries a small note of recognition也常帶著一點「認出來了」的味道 as if you are pointing at something and saying 'ah, that one, I know it'就像你指著某個東西說「啊，就是那個，我認得」。 Speakers說話者 use it in reviews, in descriptions, and when identifying people or styles會在評論、描述，以及辨認人或風格時用到它。

It is a bit formal, so in casual talk your friends would probably just say 'definitely' or 'you can totally tell'.

It它 is a bit formal有點正式 so in casual talk your friends would probably just say 'definitely' or 'you can totally tell'所以在輕鬆的對話裡，朋友大概只會說「definitely」或「you can totally tell」。