Question

【题目】在面对困难时，我们应挑战自我。(in the face of)
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Answer 1

【答案】We should challenge ourselves in the face of difficulties.
【解析】challenge挑战，是一个动词，后面跟反身代词ourselves作宾语；in the face of是固定短语，面对…，后面的宾语是difficulties。所以答案是We should challenge ourselves in the face of difficulties。