11)without/ not so much as(甚至没有)
Disappointed with her husband，Mary left home without so much as looking back at him.
12)may/ might as well(…as)(与其……还不如……)
One may as well not know a thing at all as know but imperfectly.
It was not too bright of them to settle in an area where earthquakes frequently occur.
14)only to find/ see(结果却;没想到会)
He spent almost all his money to buy the hen which was said to be able to lay gold eggs, only to find it could not lay eggs at all.
15)It is undoubted that/ There is no doubt that(毫无疑问，……)
There is no doubt that war can be avoided if we get down to peace talk.
Rather than pursue money to achieve happiness，we should focus on the improvement of ourselves.
We can’t release the film until we have the approval from the authority concerned.
With the rumor spreading fast, their anxiety was such that they could not sleep/they became so anxious that they could not sleep.
19)(The) chances are that(很可能……)
Chances are thatshe has already known it, and there is no need for us to keep the secret.