一切都进行的很顺利，但是我在比赛还有20圈的时候丧失了动力。
Everything was running smoothly, but I lost power with about 20 laps to go.
失业人员丧失了技能，失意工人会失去求职动力。
The unemployed lose their skills, and disillusioned workers drop out of the workforce.
她说自己已经“真正丧失了行动力”，但就算这样，她的医生依然希望她能延迟手术。
She said that when she was “truly incapacitated, ” her doctor still wanted her to postpone surgery.
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