You feel a little bored and depressed with your life. You're complaining to your therapist about it. You say:
I feel like I'm stuck in a rut.
boring, complaining, emotions, idioms 
You're talking to a classmate about your professor's lectures. Your classmate says that his lectures are boring and hard to pay attention to. You agree, so you say:
Yeah, I start to zone out after about five minutes.
attention, boring, classroom, daydreaming, phrasal verb, school You're riding back home from a vacation with your family. You have young children, and they're loud. You give them an iPod with a movie on it to watch so that they'll be quieter. You say to your husband:
Hopefully that'll keep them occupied for a little while.
adverb, boring, children (topic) 