brainless
adj. 無頭腦的,愚笨的
If you describe someone or something as brainless, you mean that you think they are stupid.
I got treated as if I was a bit brainless.
我被當成傻子一樣對待。
1. not using intelligence
That was a pretty brainless thing to do.
那樣做很愚蠢.
Brainy students box , will always pick their teachers'brains, but the brainless ones never do that.
聰明敏銳的學生會經常向他們的老師詳細討教, 但愚鈍的就從來不會做這個.
For instance, it appears the ancestor of brainless starfish and sea urchins had a brain.
例如, 無腦海星和海膽的祖先似乎曾有大腦.