But some politicians must be sincere about being fiscally responsible.

一些政客必须诚心诚意的对财政政策负责。

youdao

You do not have very good, but you must be a sincere, kind-hearted, open-minded man!

你不一定非常的优秀，但是，你必须是一个真诚、善良、豁达的好男人！

youdao

We must communicate clearly, but must also be sincere and sympathetic.

我们必须清晰地沟通，但也必须真诚和同情。

youdao

But as Stark masterfully points out, the paradoxical secret underlying this paradoxical formula is that it must be sincere.

FORBES: The Rabbi's Four Leadership Lessons, Part 3