她开始告诉我们，她的课将会变得多么困难，如果我们不能接受挑战，她会很高兴地让我们离开。

She began to tell us how her class was going to be difficult and that if we weren't up to the challenge, she would gladly let us leave.

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能承受工作压力并能接受挑战。

Able to work under pressure to meet challenging objectives.

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保重身体。腾出时间来多做运动、充分休息。身体健康，才能接受挑战。

Take care of your health. Make time for exercise, and get enough rest. Your body must be physically ready to take on challenges.

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