Tā zuìjìn fánxīnshì tài duō, zhěngtiān zhòu zhe méitóu.
He's had too many worries lately - he's been frowning all day.
Tips
memory
烦 'vex / annoy' + 心 'heart' + 事 'matter' - literally 'heart-vexing matters'. The compound 烦心 itself is a verb-object pair meaning 'to vex the heart', and adding 事 nominalizes it as the things doing the vexing.
