Twice or thrice his trick succeeded.
他的恶作剧成功了好几次。
Twice or thrice each week, each class is 45 minutes;
岗位职责： 1、一周两至三节课程，每节课程45分钟；
The metal had been valued at twice or thrice its current price.
这种金属以前的估价是目前价格的两到三倍。
Maybe once or twice or maximum thrice.
也许一次或两次或最高三次。
Maybe once or twice or maximum thrice.
也许一次或两次或最高三次。
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