adj.愚蠢的;荒唐的;不实用的;
n.淘气鬼;
例句:
How silly of you to do that!
你做那事多愚蠢呀!
You should knock their silly heads together.
你应设法使他们明白事理.
Her silly behaviour puts her in an indefensible position.
她行为无聊,叫人无法原谅她.