He gambled on being able to buy a ticket at the last minute.

他碰运气看能否在最后时刻买到票。

《牛津词典》

He gambled all his winning on the last race.

他把所有赢得的钱都押在最后一场比赛上。

youdao

He gambled all his winnings on the last race.

他把赢得的钱全压在最后一场赛马上了。

youdao

After tiring of a life in politics he gambled his future on a lot of rare Madeira that he bought for a song (because demand was listless) and started his company.

FORBES: Why Madeira Is The Next Great Thing In Wine

Standing in the construction magnate's Mexico City home on Mar. 2, 1998, Lerma says, Perusquia admitted he had gambled Lerma's fortune away on shaky Canadian gold stocks and used false account statements to cover it up.

FORBES: Ay, caramba!

Levein gambled on playing without a striker as he went all out not to lose the Euro 2012 Group I qualifier.

BBC: Czech Republic 1-0 Scotland