固定习语be lost to the world 中 lost 暗意“迷失、千里浸、遮拦”，其字面意为“对扫数这个词天下浑然不觉”。现其中枢语义：

1. （因沉睡、千里想、专注）对外界毫无察觉，浑然无私，与世遮拦；

2. （因千里浸于心扉或某件事）对周围东说念主事漠不关怀、有眼不识泰山；

3. 扩张为全神灌输、心无旁骛、千里浸其中。

举座为中性偏褒，多用于形色专注、沉睡或深情千里浸的状况，书面与白话均常用。

如：

He was so tired that he lay down and was lost to the world at once.

他太累了，一躺下就睡得不省东说念主事，对周遭毫无知觉。

I've been lost in this show all day and didn't even hear the phone ring when you called.

我一整天王人千里浸在这个节目中，甚至于莫得听到你回电话铃声。

She was so absorbed in her book that she was lost to the world.

她看书看得太入迷，对外界一切王人浑然不觉。

When they are together， they are lost to the world around them.

他们在沿途时，对周围的天下全然不介怀。

Deep in love， they were lost to the world and noticed nothing else.

深陷爱恋之中，中国体育服务中心(官方网站)他们浑然无私，对其他一切王人有眼不识泰山。

Sitting by her lover， she was lost to the world， only thinking of him.

坐在爱东说念主身边，她心无旁骛，心里只想着他。

The students were so focused on their papers that they were lost to the world.

学生们全神灌输写试卷，对外界装疯卖傻。

In the quiet negotiation， the diplomat was lost to the world， concentrating on the terms.

在怡然的磋商中，这位社交官全神灌输，对周遭扰攘浑然不觉。

Faced with the economic plan， the minister was lost to the world， thinking carefully.

濒临经济决策，部长凝想想考，对外界绝不介意。

The general was lost to the world， planning the next move of the army.

将军全神灌输九游体育，霸术部队下一走路动，对周遭一切浑然不觉。