[wú shù]
（難以計算） innumerable; countless; infinity; myriad; uncounted
There are innumerable stars in the sky.
天空中有無數顆星。
A myriad of lights twinkled like stars in the distance.
遠處有無數盞燈像星星一樣閃爍。
I'm not sure about [of] his ability to cope with this.
我對他應付此事的能力還心中無數。