cheer up
1. 高兴,愉快；振奋起来:例句: He cheered up at the thought of going home.
他一想到回家,心里就高兴起来.2. 使高兴；使感到安慰；使振作:例句: They need a holiday to cheer them up.
他们需要有一个休假来使他们振作起来.A vase of roses cheered up the room.
一瓶玫瑰花使得房间生气盎然.