杞人忧天qǐ rén yōu tiān
词语解释:杞人忧天qǐrén-yōutiān。(1)《列子·天瑞》:“杞国有人忧天地崩坠,身亡所寄,废寝食者”。传说杞国有个人怕天塌下来,愁得寝食不安。(2)比喻不必要的忧虑。杞人忧天[qǐrényōutiān]⒈《列子·天瑞》:“杞国有人忧天地崩坠,身亡所寄,废寝食者”。传说杞国有个人怕天塌下来,愁得寝食不安。英likethemanofQiwhowashauntedbythefearthattheskymightfall;⒉比喻不必要的忧虑。英withunwarrantedanxiety;