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challenge (v)/ ˈtʃæl.ɪndʒ//ˈtʃæl.ɪndʒ/something that needs great mental or physical effort in order to be done successfully and therefore tests a person's abilitysự thách thức ![]() Finding a solution to this problem is one of the greatest challenges faced by scientists today. You know me - I like a challenge. The crossword puzzle posed a significant challenge for even the most experienced puzzlers. Overcoming the obstacle course was a physical and mental challenge for the participants. The new job presented a fresh set of challenges, requiring adaptability and problem-solving skills. The scientific experiment was designed to address a specific research challenge in the field. Từ vựng khác:undertake , ensure , determination , eliminate , link |