他牵头组织了活动。
He took the lead in organizing the event.
to lead (an animal by the head); to take the lead; to coordinate (a combined operation)
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.
他牵头组织了活动。
He took the lead in organizing the event.
由你牵头负责此事。
You take the lead on this.