干劲

They were amazed at the soaring drive of our oil workers.

他们对我国石油工人干劲感到惊奇。

A deep-rooted tree is leafy;an ambitious man is vigorous.

根深叶才茂,志壮干劲高。

With his brains and energy, he’s got it made.

凭他智慧和干劲，这件事十拿九稳。

As soon as he arrived at the workshop, the technician attacked the difficulties at once.

技术员一到间就立即干劲十足地着手解决困难。

I was just getting up steam to get to the summit of mountain.

我正鼓足干劲爬上山顶。