energy

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Idioms (4)

ants in your pants
CEFR B1

To be unable to keep still because you are restless or excited.

Informal
hit the ground running
CEFR B1

to start a new job or project with immediate energy and effectiveness, without needing a slow start

Neutral
new lease of life
CEFR B2

renewed energy, health, or usefulness

Neutral
run out of steam
CEFR B2

to lose the energy, enthusiasm, or momentum needed to continue

Informal