lose sight of

汉语翻译

例句：

1. In the heat of the argument we mustn't lose sight of our main purpose.
   在辩论得激烈的时候，我们不应忘掉我们的主要目的。
2. I watched the plane go higher and higher until I lost sight of it.
   我一直看着飞机飞得越来越高，一会儿就看不见了。
3. If we lose sight of the goal, we cease to be Communists.
   如果忘记了这个目标，我们就不再是 * 员了。
4. The hunter lose sight of their quarry in the forest.
   猎人失去了在林中追捕的鸟兽踪影。