luck

例句：

1. 1. I've alwaysbelieved that luck plays a big part inour lives.
   我一直相信运气在我们的生活中扮演着重要的角色。
2. 2. She was lucky enough towin the lottery.
   她很幸运地赢得了彩票。
3. 3. The success of their business is largelydue to their excellent management and luck.
   他们的业务成功在很大程度上归功于他们的优秀管理和运气。