The term 'chickening out' is present participle of the verb 'to chicken out', to fail to do something due to fear or lack of conviction. 'Chickening out' is a slang term. Example sentence:
I had my mind made up to buy those Manolo Blahniks but now I'm chickening out!
I'm telling my mum that you said a bad word!
I can visualize the picture you are telling me about
you can use salmon by eating or chickening it.
He was misleading his friend by telling him the answers.
My mom keeps telling me to use propofol.
Mary Jo transgressed against her friend by not telling the truth. The previous sentence is an example of transgress in a sentence.
The man had such a high level of scruples, he was incapable of telling a lie.
His incessant prevarications caused people not to trust him.
You use the word you'll if you are telling somebody something. For example, you'll pass your math English exam if you study hard.
It would normally be 'he is saying', as you would only use 'he is telling' if the sentence is 'he is telling me how to do everything' or 'he is telling me a lovely story'.
The newsman is telling us the weather
You can use the word Truss in a sentence like this.