捉刀

wǒ jué de tā huì zì jǐ dòng bǐ wú xū tā rén zhuō dāo

我觉得她会自己动笔，无需他人捉刀。

I suspect she'll be writing it herself, and she doesn't need a ghost writer.

yǒu hěn duō míng rén dōu pìn qǐng zhuō dāo rén dài xiě tā men de zhuàn jì

有很多名人都聘请捉刀人代写他们的传记。

Many celebrities hire ghost writers to write their biography.