平淡 (píng dàn): flat; dull; ordinary; nothing special

Ten years after getting married, their life is plain and ordinary, yet full of small happiness.

This movie has a flat plot with no climax, but the director attracted many viewers with delicate cinematography.

Many people long for passionate love, but eventually find that plain companionship is the most real.

He grew tired of his ordinary daily job and decided to quit to travel and seek new challenges.

This bowl of noodles tastes bland; I suggest adding some chili and vinegar, it will taste better.

His speech content was dull and lacked passion; the audience below started playing with their phones.