1.World is but a little place, after all.
Explanation: it is used when a person meets someone he knows or is in someway connected with him in a place where he would never have expected to do so.
Example: Who would have thought I would bump into an old schoolmate on a trek up Mount Tai. The world is but a little place after all.
2. When in Rome, do as the Romans do.
Explanation: conform to the manners and customs of those amongst whom you live.
Example: I know you have egg and bacon for breakfast at home, but now you are on the Continent you will do as the Romans do and take coffee and rolls.
3. What you lose on the swings you get back on the roundabouts.
Explanation: a rough way of starting a law of average; if you have bad luck on one day you have good on another; if one venture results in loss try a fresh one---it may succeed.
Example: he may always possess merits which make up for everything; if he loses on the swings, he may win on the roundabouts.
4.What are the odds so long as you are happy.
Explanation: what does anything else matter if a person is happy.
Example: you complain so much, but you have a good family, parents, health, and money. What’s the odd so long as you’re happy.
5．Entertain an angel unawares.
Explanation: to receive a great personage as a guest without knowing his merits.
Example: in the course of evening someone informed her that she was entertaining an angel unawares, in the shape of a composer of the greatest promise
6.every dog has his day .
Explanation: fortune comes to each in turn
Example: they say that every dog has his day; but mine seems a very long time coming.
7.every potter praises his own pot.
Explanation: people are loath to refer to defects in their possessions or their family members
Example: he said that his teacher considered his work brilliant, but I would rather hear it from his teacher’s own mouth. Every potter praises his own pot