to feel or experience a physical sensation, such as itching or nausea

difficult; hard to do; troublesome; not easy; problematic; the opposite of 容易 róng​yì

to do; to make; to engage in an activity; often interchangeable with 做 zuò in set phrases

to make things difficult for someone; to pose a challenge or difficulty

to rise; to emerge; to flare up; to break out

calamity; disaster; adversity; misfortune