The phrase "a new sentiment" is correct and usable in written English.
You can use it when referring to an emotion or opinion that is different than what previously existed. For example: "John experienced a new sentiment of happiness when he received his promotion."
It was not a new sentiment and now it is clearly not an idle threat.
Some analysts say the campaign may fit a new sentiment toward honesty and simplicity that was evolving before Sept. 11.
But a new sentiment began to develop toward the Witnesses' holdings as industrial Dumbo made the transition to a residential enclave in the late 1990s.
Hoping that one of those wingers might eventually fill the void in the centre is not a new sentiment, but nobody expected it would be Nani.
And because so many fund investors try to do so anyway, the study suggests that these fund flows provide a new sentiment indicator for gauging excessive pessimism or optimism.
The "In case of Rapture, this car will be driverless" bumper stickers were a fad that was hardly limited to north Florida and simply meant "I'm holier than thou"—not exactly a new sentiment.
But growing among all the shirts and stuffed animals and plastic banners, from nearby apartments and in a neighborhood letter-writing campaign, is a quiet new sentiment about the fence: It looks awful.
Yet summer nostalgia is not a particularly new sentiment.
"But there is a new patriotic sentiment that is much more grass roots.
Alternatively, a researcher might use Amazon Mechanical Turk to ask users to score a set of documents by the level of "anxiety" they provoke, averaging hundreds of thousands or millions of ratings together to build a new "anxiety" sentiment analysis tool.
If a positive or negative word is identified, its new sentiment value is calculated by using Eq. (3) (e.g. enjoy: 20, do not enjoy: −40).
