顿开茅塞

dùnkāimáosè

顿开茅塞 — dùnkāimáosè

1. to suddenly see the light; to be instantly enlightened; to have a revelation

   他听了老师的话，顿开茅塞，终于明白了问题的关键。 tā tīng le lǎoshī dehuà dùnkāimáosè zhōngyú míngbái le wèntí de guānjiàn — After listening to the teacher, he suddenly saw the light and finally understood the key to the problem.