3：Bob! Hey, Bob, wake up! It's already 9:30 and you've got that big math test at 10 o'clock. Come on, man, shake a leg! Come on, - you've got to get moving right now!
他使劲叫醒Bob，因为已经到九点半了，而Bob十点有数学大测验。时间紧迫，所以他要Bob必须立刻行动起来。 显然他说shakealeg，是催促Bob赶快行动。这就是这个习惯用语的意思。
Last year, for example, a fourth grader had to get 37 out of 70 possible points on the math test to reach level 3 (out of 4), or grade level.
例如，在去年，一个四年级生需要在满分70分中得到37分才能达到3级或是年级平均水平。
Last year, for example, a fourth grader had to get 37 out of 70 possible points on the math test to reach level 3 (out of 4), or grade level.
例如，在去年，一个四年级生需要在满分70分中得到37分才能达到3级或是年级平均水平。
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