dà / jiā / yuán / běn / yǐ / wéi / tā / hěn / néng / gàn / hòu / lái / cái / fā / xiàn / tā / zhǐ / shì / ge / kōng / xīn / luó / bo

大家原本以为他很能干，后来才发现他只是个空心萝卜。

Everyone initially thought he was capable, but later discovered that he was actually useless.