smoulder
动词用法：smoulder 是不及物动词，后面不接宾语。
The fire smouldered all night.
那堆火闷烧了一整夜。
由水仙葡萄孢菌(Botrytis narcissicola)引起的水仙及近缘花卉的病害,其特征为叶片上出现深褐色病斑。
a fire that burns slowly, producing thick smoke and no flame
由水仙葡萄孢菌(Botrytis narcissicola)引起的水仙及近缘花卉的病害,其特征为叶片上出现深褐色病斑。
A disease of narcissus and related flowers caused by the fungus Botrytis narcissicola, and characterized by dark brown lesions on the leaves.
The smoulder of the damp leaves filled the garden with grey smoke.
潮湿树叶的阴燃让花园里充满灰色的烟雾。
用法提示：这里 smoulder 是名词，指无火焰的缓慢燃烧。
He watched the smoulder at the edge of the campfire.
他看着篝火边缘的阴燃。
用法提示：smoulder 作名词，表示闷烧的状态。
The fire died down to a faint smoulder after the rain.
雨后，火势减弱为微弱的阴燃。
用法提示：句中的 smoulder 是名词，强调火只剩下无焰的阴燃。
动词用法：smoulder 是不及物动词，后面不接宾语。
The fire smouldered all night.
那堆火闷烧了一整夜。
动词比喻用法：表示愤怒、嫉妒等强烈情绪郁积在心里，常见于文学描写。
She smouldered with silent anger.
她心里闷闷地憋着怒火。
名词用法：指没有火焰、冒烟的缓慢燃烧状态。
The campfire was reduced to a smoulder.
篝火渐渐变为一团闷烧的火。
grammar · medium
易错句子The bonfire smouldered thick smoke all night.
正确表达The bonfire smouldered all night.
smoulder 是不及物动词，不能接宾语；它本身已有“无火焰地闷烧冒烟”的含义，所以不能说 smoulder + smoke。若要表达“冒出浓烟”，应改用 give off smoke 等说法。
grammar · medium
易错句子The wet wood was smouldered slowly.
正确表达The wet wood smouldered slowly.
smoulder 是不及物动词，不能用于被动语态，因此 was smouldered 不正确。应改用主动语态，让“湿木头”作主语。
smother 指通过隔绝空气使火熄灭或使人窒息；smoulder 指无火焰地缓慢燃烧。
moulder 指有机体因潮湿或老化而腐朽；smoulder 指无火焰的缓慢燃烧。
闷烧下去
The bonfire smouldered away long after the party ended.
聚会结束后，篝火还闷烧了很长时间。
郁积怒火
He smouldered with anger but refused to speak.
他怒火中烧，但拒绝开口。
闷烧的火
The smouldering fire flared up when the wind blew.
风吹过时，闷烧的火又燃烧起来。
郁积的怨恨
Her smouldering resentment finally gave way to tears.
她郁积的怨恨终于化作泪水。
余烬闷烧
The embers smouldered quietly in the hearth.
余烬在壁炉里静静地闷烧。
怒火中烧；强压怒火
He smouldered with rage but kept his voice calm.
他怒火中烧，但语气仍然平静。
心怀怨恨；暗怀不满
For years she smouldered with resentment over the unfair promotion.
多年来，她一直对那次不公平的晋升心怀怨恨。
（充满激情或愤怒的）炽热眼神
She gave him a smouldering look across the room.
她在房间另一头给了他一个炽热的眼神。
Dictionary facts from ECDICT, WIKTIONARY.