@WBYeats,
WBYeats wrote:1. The original question: in 'our Chinese friends took us for three nights to Hangchow', the meaning is they spent three nights in Hangchow, but can I interpret it as they spent three nights in travelling to Hangchow and how long they stayed there is unknown?
You should interpret it as 'our Chinese friends took us to Hangchow for a stay which lasted three nights." The amount of time spent travelling there is unknown. Stays whose length is measured in nights are often in hotels.
Quote:2. Does 'AT for non-definite;ON for definite' apply to the location of a person near a lake?
-We spent the summer in the Sierras, at Fallen Leaf Lake near Lake Tahoe.[/quote]
Fallen Leaf Lake is here being used as the name of a place, which consists of houses, a camp ground, etc, as well as the identically named lake.
Quote:3. Why does the writer inconsistently say 'Fallen Leaf Lake', no THE, but 'the Western Lake', with THE?
Native speakers, especially when writing or speaking informally, are frequently inconsistent.
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