stiffly

The soldiers stood stiffly to attention.

士兵们笔挺地立正站着。

"I don't think that it's anything to do with you," he said stiffly.

“我认为这和你一点儿关系都没有，”他生硬地说。

I wrote a stiffly worded letter of complaint to the council.

我给委员会写了一封措词强硬的投诉信。