godan verb (-su), transitive verb
afflict; torment; harass; molest
Transitive verb meaning to cause someone mental or emotional distress, worry, or trouble. Often used when a problem or person is the source of the suffering.
彼の無責任な態度が私を悩ませている。
His irresponsible attitude is tormenting me.
騒音問題が住民を悩ませている。
The noise problem is afflicting the residents.