她把最初的小额投资通过明智的股票交易逐步扩大成了可观的财富。

She ___parlayed her initial small investment into a considerable fortune through smart stock trades.

他巧妙地将自己在音乐比赛中的胜利转化为一份唱片合约。

He ___parlayed his victory in the music competition into a record deal.

他将三场篮球比赛的赌注组合成一个串关，以期获得更高的潜在回报。

He combined three basketball bets into one ___parlay for a bigger potential payout.