丧失活力

例句：

1. 1. The new policy will energize the economy and boost productivity.
   新政策将激发经济并提高生产力。
2. 2.Her enthusiasm for life is a great source of energy for her friends.
   她对生活的热爱是她朋友的源泉。
3. 3. The team's performance was energized by their coach's motivational speech.
   团队的表现被教练的激励演讲所鼓舞。