perk up

perk upperk up1.■(重新)活跃起来,振作精神

perk up1.■(动物)昂起；翘起：The dog perked up its ears at the sound of its master's return.狗听见主人回来的声音竖起了耳朵。2.■(精力等)恢复过来：She perked up quickly after her illness.她病后恢复得很快。3.■(重新)活跃起来；振作起来；使活跃起来；使振作起来：Morale perked up immediately at the good news.听到这个好消息，士气立刻振作起来。4.■打扮；装饰；使漂亮(美观)：The new skirt the little girl wears is perked up with golden silk embroidery.那个小姑娘穿的裙子由于镶有金色丝绣而显得更漂亮了。