lose sight of [lu:z sait ɔv]

以下由轻松背单词网站提供

忘记；忽略；不再看见

We must not lose sight of this fact.我们一定不要忽略这个事实。
If we once lose sight of him, we shall never set eyes on him again.倘若我们一旦丢了他，就再也找不着他了。