She didn't win the game, but it isn't for lack of trying.
她输了比赛，但并不是由于不够努力。
Many small plants in that country closed down for lack of fuel.
由于燃料不足，那个国家的'很多小厂都关闭了。
They were not likely to fool away this high promise for lack of effort.
他们不太可能因为缺乏努力而把这一崇高的希望放弃。