He has a bluff way of speaking, but a kind heart.

他说话的方式粗率爽直，但心地善良。

youdao

He has a very kind heart in spite of his bluff way of speaking.

尽管他说话直率，他有一颗非常善良的心。

youdao

The investigator went on to bluff that there was a video camera in the room, though the recording, with its definitive proof one way or the other, would not be accessible until later.

研究人员继续吓唬说房间里有一台摄像机，通过摄像机记录的内容，就会有充分的证据来证明到底是怎么回事，到最后是没有办法抵赖的。

youdao

Does the hardware work to such a standard that you can expect useful performance and bluff your way through a crowd of those paying full price?

ENGADGET: Ask Engadget: Are KIRFs worth it? Mobile

Since I grew up loving college basketball, I'm here to help you understand what's going on so that you can bluff your way through a meeting with American clients or hold your own in the hotel bar, at least for a few minutes.

CNN: Coming to the U.S.? Look out for March Madness

Some in Baghdad are tempted to call the Kurds' bluff and let them go their own way.

ECONOMIST: Iraq and the Kurds