「我完全不知道」英文怎麼說？I had no idea
I had no idea = 我完全不知道（片語）
I had no idea 是什麼意思？
I had no idea：我完全不知道。出自主題「表示你在認真聽的詞」。
例句
- I had no idea you played piano.
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同主題還有
| mhm | 嗯嗯 |
| uh-huh | 嗯哼 |
| right | 對 |
| okay | 好 |
| I see | 我懂了 |
| oh really? | 真的嗎 |
| wow | 哇 |
| seriously? | 認真？ |