As good as gold （表现）很乖
A post box in Isleworth, London, which was painted gold to celebrate Mo Farah's Olympic gold medals. Photo: Oli Scarff
今日短语
如果一个人被形容为 as good as gold, 那就意味着这个人表现很乖，很好，通常用来形容孩子。
今日小常识
Post boxes around the UK have been painted gold in the home towns of every gold medal-winning athlete from Team GB. This is the first time that post boxes have changed colour since 1874, when the iconic red colour was chosen. It took ten years to paint all of the UK’s post boxes, which were originally green to blend in with the landscape.
英国金牌获得者所在家乡的邮政信箱都被涂上了金色。这是一百多年来的首次邮箱改色。1874年英国改选红色为全国邮箱的统一标志性颜色。当时用了十年的时间完成各地邮箱的刷红工程。在那儿之前，英国的邮箱全部为同自然融为一体的绿色。
例句
You'll have to be as good as gold during the wedding – don't go running off in the church!
Daddy bought me a new toy for being as good as gold today.
I was so worried my little girl was going to be scared of the animals at the zoo, but she was as good as gold.
请注意
另一个短语是 a heart of gold, 形容一个人心肠极好
My uncle Ronnie does a lot of volunteer work in the local community – he really does have a heart of gold.
