fold in

• • 折叠；对折：

    If you fold the letter in two, it will fit into the envelope.

    你要是把信纸对折，就可以装进信封了。

  • 抱住：

    The mother folded the baby in her arms to keep him safe.

    母亲双手抱住小孩以保证他的安全。

  • (烹调时)把…调入，拌入：

    Next, fold in the beaten egg.

    接着拌入打散的鸡蛋。