A tendency to speculation, though it may keep woman quiet, as it does man, yet makes her sad.

勤于思考，虽说可以对女人起到和对男人相同的作用——使人安静下来，但却使她感到伤感。

youdao

Stratfor ruled out a military coup, which had recently been the subject of some quiet speculation.

ECONOMIST: The Philippines

And relative quiet out of Washington, after more than a week of fiscal cliff rhetoric, offered a welcome break from speculation over the likelihood of a deal.

FORBES: Stocks Snap Back As Fiscal Cliff Fears Hit Pause