You don't need a formal, rigorous exercise plan.
你没必要有一个正式的，严格的锻炼计划。
In short, he is a man at ease with the exercise of formal authority.
总之，他是一个能自如行使权力的人。
Many students never get to exercise their skills in a formal competition.
很多学生从未在正式比赛中施展他们的技能。
Many students never get to exercise their skills in a formal competition.
很多学生从未在正式比赛中施展他们的技能。
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