Definition of smoldering | Bee Dictionary of English

v burn slowly and without a flame
a smoldering fire
v have strong suppressed feelings
s showing scarcely suppressed anger
her tone was...conversational although...her eyes were smoldering"- James Hensel

Zhang doesn't just act; she displays a smoldering luminosity that keeps the camera longing for her even after she has exited the scene.
There's no smoldering scandal to extinguish, no battered confidence to restore, no eroding margins to reverse.
In the Soviet Union tensions are smoldering in Nagorno-Karabakh, the Armenian enclave in the republic of Azerbaijan.

Is Climate Change the Ultimate Firestarter?
Forget the blazing-hot, 65-mile-per-hour winds or the obsidian-black cumulous clouds swirling overhead. Never mind the embers falling like smoldering snowflakes or the neighbors packing their getaway cars. Carla Albers of Colorado Springs, Colorado, had far more important things to worry about on the afternoon of June 26, 2012: the whereabouts of her teenage son, Eric.
June 12, 2013 - Takepart.com via Yahoo! News
Jessica Alba's Heats Up Summer in Citrus Hues
Jessica Alba (Getty) These days we mostly see Jessica Alba 's eclectic street style compiled of funky sneakers, print skinny jeans, and leather jackets. So it was a fun surprise when the actress took over the red, err leopard print carpet of Spike TV's Guys Choice Awards. Jessica was a Versace vixen in a structured yellow snakeskin mini dress. She paired the smoldering piece with bright orange ...
June 10, 2013 - StyleBistro

Mark Grant in FOXNews
It's looking rosy,Grant said. "The fire is not moving at all. It's just kind of smoldering around the edge."
Gene Watson in Washington Post
When we say we were smoldering hot in Nashville, we really mean it,cracked Watson, whose other hits include "Fourteen Carat Mind" and "Paper Rosie."
Bruce Lee in PR-CANADA.net (press release)
We found Big Alcohol standing over the smoldering ruins of a failed state budget,said Bruce Lee Livingston, executive director of Marin Institute. "With $3 million in political influence and contributions, the alcohol industry defeated...