Perhaps they're working hard—they don't appear to be very studious here, but they are very friendly.
也许他们工作很努力——他们在这里似乎看上去不太用功，但他们很友好。
Cheating is a violation of the school policy. Students are expected to be be honest and studious. They should improve their studying methods and prepare well for exams.
作弊不对。违反校规。要诚实。努力学习，应改进学习方法，作好考前准备。
He devoted studious hours to getting up the subject to be discussed.
他花了好几个学时认真准备要讨论的课题。
A well-nourished child is more likely to be a studious one.
一个营养全面的孩子往往更有可能会成为一个勤奋认真的孩子。
A well-nourished child is more likely to be a studious one.
一个营养全面的孩子往往更有可能会成为一个勤奋认真的孩子。
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