Will I ever be lucky enough to find him and embrace him once more?

我还能幸运地见到他，并再次拥抱他吗？

youdao

Will once be enough?

一次就够了吗？

《新英汉大辞典》

"Once he gets in, that will be the real test of leadership," says Mr Rewane. "Is he strong enough to tell those cronies that the party's over?"

“一旦上位，那就是真正检验他领导能力的时候，”Mr Rewane说道“他真有足够能力跟他的朋党们说宴会结束吗？”

youdao

Independent Al-Watan ridicules Islamists' proclamations that the new constitution would bring prosperity to Egypt: the paper's main headline says stability will only be achieved once there are enough dollars.

BBC: Egyptian press debates constitution referendum results

Malone says once in effect the new law will be strong enough to keep a close eye on explosives.

FORBES: The Two-Month Window

But which candidate will be strong enough, once an occupant of the White House, to stand up to acts of aggression from our sworn enemies?

FORBES: Why The U.S. Presidential Campaign Should Be More Like the Olympics