at all
在否定句中表示在任何方面或任何程度都不
寫作用途
in any way or to any degree in negative statements
The instructions did not explain the final step at all.
這份說明完全沒有解釋最後一個步驟。
寫作技巧
Use at all after a negative verb phrase to mean in any way or to any degree. Do not treat at all itself as meaning completely in a positive statement.