Love is the power for our youthfulness.

爱情是青春的动力。

youdao

I don't know, Youthfulness, shaving presents a clean face to the onlooker, conversant.

我也不知道！年轻人嘛，把脸刮干净去示人呵。

youdao

His ability allied with his youthfulness should enable Cech to become the biggest goalkeeping name in our illustrious history.

他的能力和年轻使得切赫成为我们杰出历史上的最伟大的门将。

youdao

His outlook on life was youthful, and he kept that youthfulness alive throughout his life, even during his suffering.

NPR: Johnny Griffin: In Memoriam

Mr Trevidic says he has been surprised by the youthfulness of some of those involved, with some aged only 16 or 17.

BBC: France in the firing line of 'new jihad'

Snapping off his clean white teeth, his voice had a gee-whiz youthfulness until, catching hold, it shifted to take on the hardscrabble surroundings.

NEWYORKER: The Tree Line, Kansas, 1934