play games at lunchtime在午饭时间玩游戏
Play thover at song播放那首
play badly at first首先打的很糟
play soccer at school在学校踢足球
play basketball at school在校打篮;在学校打篮球
play music at sight立即演奏音乐;见乐谱即演奏
play it at all发挥它在所有;它在所有方面发挥
play sound at point在点上播放音效
Play ball at home在家打球
PHRASAL VERB（动词词组） If you say that someone is playing at something, you disapprove of the fact that they are doing it casually and not very seriously. 把…当儿戏 [no passive] [表不满]
We were still playing at war – dropping leaflets instead of bombs.
我们仍然在把战争当儿戏–在空投传单而不是在投炸弹。
PHRASAL VERB（动词词组） If someone, especially a child, plays at being someone or doing something, they pretend to be that person or do that thing as a game. 扮…玩 [no passive]
Ed played at being a pirate.
埃德假扮海盗。
PHRASAL VERB（动词词组） If you do not know what someone is playing at, you do not understand what they are doing or what they are trying to achieve. 搞 (什么) [非正式]
She began to wonder what he was playing at.
她开始纳闷他在搞什么。