Purportedly, he has secretly divorced his wife.

据称，他已经和妻子秘密离婚。

The old man is purportedly the oldest person in the world.

据说这位老人是世界上最长寿的人。

Purportedly, he could read through everyone's mind.

他据称可以看穿每个人的心思。

This is purportedly the oldest tree in the world.

据称这是世界上最古老的一棵树。

He was given a letter purportedly signed by the Prime Minister.

他得到了一封据称有首相签名的信。

Federal agents have purportedly honed in on money laundering charges.

据称磨练联邦特工已经在关于洗钱的指控。

For a book purportedly about love, the Barthes didn't look very romantic.

虽然巴特这本书号称是关于爱情的，但它看上去并不怎么浪漫。

How do such technologies and public institutions do what they purportedly do?

这些科技和机构是怎样做到打算要做的这些？