思慧有一次在学校的乘法速算测验中拿了第二，蔡美儿一个星期让她每晚做20道题，拿秒表计时。
When Sophia came in second on a multiplication speed test at school, Chua made her do 20 practice tests every night for a week, clocking her with a stopwatch.
有一次，女儿在一次数学竞赛中落后于一个韩国小孩获得第二名，蔡美儿竟让这个女孩一晚上做2000道数学题直到她重新领先。
Once, one of her daughters came in second to a Korean kid in a math competition, so Chua made the girl do 2, 000 math problems a night until she regained her supremacy.
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