他的情绪有波动。
Tā de qíngxù yǒu bōdòng.
English
His mood has some ups and downs.
to undulate
to undulate; to fluctuate; wave motion
Every character draws itself stroke by stroke, then hands you the brush to trace it yourself.
Nice writing!
他的情绪有波动。
Tā de qíngxù yǒu bōdòng.
His mood has some ups and downs.
价格波动很大。
Jiàgé bōdòng hěn dà.
Prices fluctuate a lot.
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.