PHRASAL VERB （比赛等前）做准备活动，热身 If you limber up, you prepare for an energetic physical activity such as a sport by moving and stretching your body. （比赛等前）做准备活动，热身
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Next door, 200 girls are limbering up for their ballet exams. [VERB PREP.]
隔壁屋里，200名女孩正在为她们的芭蕾考试做热身。
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She ran a little way, limbering up. [VERB PREP.]
她跑了一小段，活动一下身子。
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A short walk will limber up the legs. [VERB PREP. noun]
散一小会儿步能放松腿部。
SYN loosen up, prepare, exercise, warm up