He saw the look on Park's face, and softened his voice.

Even so, he softened his voice, as if to soften the blow.

I didn't try to imitate him, just to soften his voice a bit.

He took a hard breath and made an effort to soften his voice.

I softened my voice and leaned closer to him, just an inch or two.

Lynch softened his voice deliberately, working to get the attention of every man and woman present.

To put the boy at ease, Bear softened his voice and smiled.

But marriage, for a while anyway, had softened my voice.

She softened her voice, adding, "What's the matter, son, you coming down with something?"

I let go of his chin, and made an effort to soften my voice.