“At the end of the day”

When someone starts a sentence with this phrase, you can pretty much bank on them saying it many times during the course of a conversation. Not surprisingly it is also on the University of Oxford’s list of the “Top 10 Most Irritating Expressions” list. Give it a rest.
“Position” instead of “job”

Using the word “position” in a job interview is appropriate; when you’re talking with your friends in a bar, there’s no need. “When people use these ‘fancier’ words, they can come across as pretentious,” says Wertheim.
On the other hand, here are 11 phrases that will make you more successful at work.
“Me and my friend”

Typically, the grammatically correct version is “‘my friend and I.” A quick way to check yourself regarding this rule is to think about what would happen if your friend was not there. Watch what happens when you take your pal out of the sentence: “Me went for a walk.” That doesn’t make sense. “My friend and I went for a walk,” becomes “I went for a walk.” It still sounds right. However, when an action is taken towards the subject in the sentence, “me and my friend” is correct. When you take your friend out of this sentence, “Grandma got ice cream for me and my friend” it still makes sense.