Day 9 of sharing idioms and phrasal verbs everyday

Idioms:

1. An ace in the hole - A major advantage that keeps one hidden until an ideal time
2. An arm-chair critic - Someone who gives advices based on theory, not practice
3. An arrow in the quiver - Strategies that can be followed
4. An article of faith - A firmly held belief
5. An iron hand - Strict and harsh control
6. An iron will - strong determination
7. An old head on young shoulders - Full of wisdom (I got called this in shillong's interview and I had no idea what it meant 😭)
8. An olive branch - gesture of peace
9. An open book - One that held no secrets
10. An uphill task - a very difficult job // challenge that requires a lot of effort to accomplish
11. Appeal to caesar - Appeal to the highest possible authority
12. Apple of discord - Reason of quarrel [Quiz - I had posted another idiom which had the same meaning as this. Write it down without cheating]
13. Apple of one's eyes - Someone very precious or dear
14. Apple cart - To cause trouble or spoil someone's carefully laid out plans
15. Apples and oranges - Two unlike things or people

Phrasal verbs:

1. Cast down - To feel depressed or saddened
2. Cast off - To discard or reject something
3. Catch on - To become popular // To understand something
4. Cater to - To provide what is needed or desired
5. Chance upon - To find or encounter someone/something by chance
6. Change into - To transform into something else
7. Change over - To switch from one thing to another
8. Charge with - To officially accuse someone of something
9. Cheat out of - To swindle or trick someone out of something
10. Chicken out - To decide to not to do something