适当 (shì dàng): เหมาะสม

The doctor suggested he do appropriate exercise every day, such as walking or jogging, as this would help his recovery.

The teacher assigned appropriate homework according to each student's level, neither too difficult nor too easy, so everyone could complete it smoothly.

It's important to wear appropriate clothes on formal occasions; for example, when attending an interview, it's best to wear a suit, not shorts and slippers.

When facing pressure, finding an appropriate way to relax is crucial; some people choose to listen to music, others choose to do yoga.