他白白等了一个小时。
He waited an hour for nothing.
in vain; to no purpose; for nothing
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.
他白白等了一个小时。
He waited an hour for nothing.
别让时间白白过去。
Do not let time slip by in vain.