play at

英 [pleɪ æt]

美 [pleɪ æt]

对…敷衍了事; 拿…当儿戏; （尤指儿童）假扮…玩，玩…游戏; 搞…名堂; 想…念头

柯林斯词典

PHRASAL VERB 对…敷衍了事；儿戏似地做
If you say that someoneis playing atsomething, you disapprove of the fact that they are doing it casually and not very seriously.
1. We were still playing at war — dropping leaflets instead of bombs.
  我们仍然把战争当儿戏——还在丢传单而不是扔炸弹。
PHRASAL VERB （尤指儿童）假扮…玩，玩…游戏
If someone, especially a child,plays atbeing someone or doing something, they pretend to be that person or do that thing as a game.
1. Ed played at being a pirate.
  埃德扮海盗玩。
PHRASAL VERB 搞…名堂；想…念头
If you do not know what someoneis playing at, you do not understand what they are doing or what they are trying to achieve.
1. She began to wonder what he was playing at...
  她开始纳闷他在搞什么鬼。
2. 'What do you think you're playing at?' he said. 'I can't sell this.'
  “你以为你在动什么念头？”他说，“我不能卖掉这个。”