Word: 起伏 (qǐfú) 起伏 dictionary entry qǐfú to move up and down; to undulate; ups and downs Full dictionary entry for 起伏 Example sentences using 起伏 2 sentences, showing page 1 of 1. 他睡着了，胸口轻轻起伏。 Tā shuìzháole, xiōngkǒu qīngqīng qǐfú. He fell asleep, his chest rising and falling gently. 小船在波浪中上下起伏。 Xiǎochuán zài bōlàng zhōng shàngxià qǐfú. The little boat bobbed up and down on the waves.