1to be the most powerful member of a group
rule the roost
2having rich parents
born with a silver spoon in your mouth
3of a child) to play at being a family in its home
play house
4a very small baby that cannot yet walk
a babe in arms
5used when a small child has just said something that seems very wise or clever
out of the mouths of babes (and sucklings)
6you should not be surprised when boys or men behave in a noisy or rough way as this is part of typical male behaviour
boys will be boys
7existing but not yet fully developed
in embryo
8a person who is new to a place, an organization, etc.
a/the new kid on the block
9used as a way of saying that you are not responsible for what someone else does or for what happens to them
I am not my brother's keeper
10a performer, politician, sports player, etc., who is popular where they were born
somebody’s favourite son
11from one generation of a family to the next
from father to son
12a way of considering an activity, etc. that considers only the number of people doing something, things achieved, etc., not with who or what they are
numbers game
13used to tell somebody who has played a trick on you that you can do the same thing to them
two can play at that game
14an activity that is unlikely to be successful or make a profit
a mug’s game
15when the trouble that you are expecting begins
the balloon goes up