他握紧了拳头。
He clenched his fist.
fist; (of a product, service, project etc) flagship; key; core
Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.
Nice writing!
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.
他握紧了拳头。
He clenched his fist.
这家店有拳头产品。
This shop has a flagship product.