smolder

悶燒、無焰燃燒

The campfire smoldered all night, giving off a thin line of smoke.

營火整晚悶燒著，冒出一縷細煙。

鬱積、悶在心裡、暗藏

Resentment smoldered in her for years before she finally spoke up.

怨氣在她心裡鬱積多年，她最後才說出口。

（眼神）流露、閃著

His eyes smoldered with anger as he read the letter.

他讀信時，眼裡燃著怒火。

悶燒、無焰燃燒

Firefighters returned to check the smolder beneath the ashes.

消防員回頭檢查灰燼底下的悶燒情況。