例如：
Susan felt so dizzy that she couldn't do anything but stay in bed.
Susan头昏得什么都不能做，只能躺在床上。
The puzzle was anything but difficult because it only took me 30 seconds to solve.
= The puzzle was far from difficult because it only took me 30 seconds to solve.
= The puzzle was not difficult at all because it only took me 30 seconds to solve.
这道题一点也不难，因为我只花三十秒就把它解开了。
