Tā zuìjìn xīnqíng fánmèn, bù xiǎng gēn rén shuōhuà.
He's been feeling down lately and doesn't want to talk to anyone.
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usage
Describes a suffocating feeling of being both annoyed and depressed. Combines 烦 (annoyed/irritated) with 闷 (stifled/stuffy). Compare with 烦躁 (fánzào, restless and agitated) which is more outwardly irritable.