以下是北京新航道雅思小编为大家整理的雅思词汇在线学习：表欣喜的短语，Light up 欣喜
当某人 lights up, 这意味着他/她看起来很高兴或为什么事情而感到欣喜。
今日小常识
Tower Bridge in London has had a new lighting system installed which enhances the bridge's architectural features. Static lights have been replaced with bulbs that can vary in intensity and colour. The world-famous bridge will gleam white to celebrate the Queen's Diamond Jubilee this weekend, and the more energy-efficient lights will be switched on later.
景点伦敦塔桥安装了一个新的照明系统，能更加突出塔桥的建筑特色。新装的照明灯能发射出不同的颜色和亮度。这座举世闻名的大桥将在本周末庆祝女王登基钻禧纪念时变成全白色。庆祝典礼过后，节能灯将被启用。
例句
Mum will light up when she realises we've planned a surprise party for her.
My grandma would light up when she talked about the olden days.
请注意
另一个字面相似的短语 lighten up 意思和 light up 不一样，这是劝某人应该放松一些，不要太紧张或太在意某件事情。
Hurry! We're going to miss the train!
Lighten up – there'll be another one five minutes later.
