烦恼 (fán nǎo)

to be worried; to be distressed; worries

Character breakdown

烦 (fán) · 10 strokes

Depicts fire (火) in the head (页), i.e. a headache. Simplified form of 煩.
恼 (nǎo) · 9 strokes

Phonosemantic compound. 忄 represents the meaning and 𡿺 represents the sound. Simplified form of 惱.