过期药品完全无效。
Expired medicine is completely ineffective.
无效
not valid; ineffective; in vain
Watch it being written
Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.
无
效
Nice writing!
Build with these blocks
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.
无
See it in sentences
这张票已无效。
This ticket is no longer valid.