what's-her-name

also what's-her-face

used for referring to a woman or girl when you cannot remember or do not know her name

当您不记得或不知道她或她的名字时，用于指代她;名叫某某的她，某个她(用于忘记女子的名字时)

I gave the report to what's-her-name - the new marketing assistant.

我把报告给了那个叫什么来着——就是那个新的市场助理。

That's the thing that whatshername gave me.

这就是那个叫什么什么的女人给我的东西。