all is not lost

used to suggest that there is still some chance of success or recovery

还有机会（取得胜利）

be lost for words

be so surprised, confused, or upset that one cannot think what to say

因非常惊讶（或迷惑、失望）而不知该说些什么

be lost on

fail to influence or be noticed or appreciated by (someone)

对（某人）不起作用

the significance of his remarks was not lost on Scott.

斯科特听懂了他的话的含义。

get lost

[often in imperative](informal)go away (used as an expression of anger or impatience)

(非正式)[经常用祈使语气表示恼怒或没耐心]走开，别来烦我

Why don't you leave me alone? Go on, get lost!.

让我自己呆一会行吗？快点走开！。

give someone up for lost

stop expecting that a missing person will be found alive

不再（对失踪的人）抱生还的希望

make up for lost time

do something faster or more often in order to compensate for not having done it quickly or often enough before

赶进度，补回损失的时间