如他之前的许多政客一样，本特利先生不知道如何把握分寸。

Like many politicians before him, Mr. Bentley did not know when to stop.

《柯林斯英汉双解大词典》

此外，还有一些影响气候的过程，如科学家们不知道如何模拟的土地利用的变化。

Moreover, there are processes that influence climate, such as modifications in land use, that scientists do not know how to simulate.

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然而，萨姆并不认识任何人，也不知道任何事，如午餐时坐在哪里，和谁一起坐。

Sam, however, didn't know anyone or anything, like where to sit or with whom to sit at lunch.

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And,as Chateaubriand said,the writer, "I don't know what we must believe but we must believe in something," and he gets down on his knees and prays.

如作家夏多布里昂所言,"我不知道我们能相信什么,但我们必须相信点什么",然后他屈膝跪下开始祈祷

耶鲁公开课 - 1871年后的法国课程节选