?碰碰运气

... 养成好习惯 form a good habit 碰碰运气 try one's fortune 每四个一组（一批）；四个四个地 in fours ...

?碰运气

... 外出找出路 seek one's fortune. 碰运气 try one's fortune (4) 父亲死后她得到/继承了一大笔财产。（inherit） ...

?试运气

... try one's best to do尽某人最大的努力 try one's fortune试运气 try to do努力去做 ...

?碰碰命运

... 对于或者人绝不在乎 pay no notice to sb. 碰碰命运 try one's fortune 到场角逐 compete in a contest ...