cǎo duī xún zhēn
nínshìfǒuzàixúnqiú:草堆草堆里寻针草堆 草堆里寻针gèngduōjiéguǒ...
mùlù
yīngwénjièshì
  1. n.:  look for one thing among many others, without hope of finding it
jìnyící
láo , hǎi lāo zhēn , tán róng
fǎnyící
jiǔ , gān jiàn yǐng