E-say 易说堂

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Gary tried to lift a heavy box from the floor, but his efforts were to no avail.
 
盖瑞试着从地上抬起一只笨重的箱子，不过只是徒劳无功。
avail 为「用处；利益」之意，to no avail 即为「无效；没有用处」，同义的用语有 of little avail 及 of no avail。