noun, noun or participle which takes 'suru', intransitive verb
trying one's luck; test of luck
Refers to an act of testing one's fortune, often in a lighthearted or casual context such as a game, lottery, or small gamble.
宝くじを買って運試しをした。
I bought a lottery ticket to try my luck.
ちょっと運試しに、このゲームをやってみない？
Why don't we try this game just to test our luck?