1) Yeoman's service
Efficient or useful help in need;
Good, useful, or workmanlike service.
2) A cross to bear
A difficult responsibility or burden that someone must handle on their own.
3) Swan Song
Farewell or final appearance;
Last act.
4) Iconoclast
A person who attacks or criticizes cherished beliefs or institutions;
One who destroys sacred religious images.
5) Look down upon
To consider someone or something lesser or inferior in some way.
6) Out of the woods
Pass a critical phase;
To no longer be in danger or difficulty.
7) Discretion is the better part of valour
It's better to avoid a dangerous situation than to confront it.
8) Turncoat
A person who deserts one party or cause in order to join an opposing one.
9) As flat as a pancake
Completely flat;
Extremely level.
10) In black and white
In writing or print especially an agreement, contract, or other formal document.