The following few sentences can express "too boring", let's disassemble them one by one!
<h1 class="pgc-h-arrow-right" data-track="6">It was a total buzzkill.</h1>
This sentence means "this is really disappointing".
Buzzkill consists of "buzz" and "kill", which refers to "unpleasant things".
Flying gives me a real . Flying really excites me.

Don't be a disappointment!
<h1 class="pgc-h-arrow-right" data-track="11">It was a bit of a snoozefest.</h1>
It's also a very authentic saying, saying that "it's a bit dozing off."
A word "snoozefest" is used in it, which is a rather interesting combination of words.
where "snooze" is a verb/noun meaning "dozing":
I often have a snooze after lunch. I often get a nap after lunch.
The word "fest" is derived from "festival" and is often used as an ending to mean "~festival".
A jazzfest jazz festival
a talkfest rambling
So the direct translation of "snooze-fest" here is "sleepy festival".
The meaning of this sentence is: it's a bit like a sleepy knot, so boring.
Doze Festival
<h1 class="pgc-h-arrow-right" data-track="11">What a drag!</h1>
This is slightly more colloquial than the two statements above, and it is also more difficult to understand, meaning "It's boring!" ”
The "drag" here, the first thing students who have learned this word may think of is the verb meaning "pull"; but in fact, it is still a noun. As a noun, it has the following two main meanings:
Boring people, boring things.
Things or people that stand in the way of progress, burdens, stumbling blocks, hind legs.
When you know what the noun means, "what a drag" is easy to understand - it's boring!
If you search for an image, you'll definitely see this image:
It's so boring.
<h1 class="pgc-h-arrow-right" data-track="11">That's so lame.</h1>
It is also a sentence with a very simple structure, meaning "too bad".
The key word here is "lame", which has the following meanings:
unable to walk well because of an injury to the leg or foot 瘸了;跛的
Weak and difficult to believe untenable; unconvincing
Not interesting or fun boring; boring
The first meaning should be the most classic meaning that students have learned, but 2 and 3 are the most used in daily life.
Because it's really rude to say that others are lame, but it's often useful to say that "men make up excuses that are very lame" or "it's very lame to tell a joke."
She gave some about missing the bus. She made an untenable excuse that she hadn't caught the bus.
Don't laugh! It's too lame.
<h1 class="pgc-h-arrow-right" data-track="11">When you do this, it's very dull!</h1>
The phrase means "If you're going to do it, it's not going to be interesting."
"dull" means too much:
a movie A dull movie
Her eyes were . She stared.
It was a , grey day. It was a dim day.
A ache/pain pain
The gates shut with a . With a sound, the door closed.
The expression in this sentence is "boring, dull, and uninteresting".
It's so boring without you.
<h1 class="pgc-h-arrow-right" data-track="11">This is kind of tedious.</h1>
(It's boring.) )
This should be the closest sentence to "boring", because "tedious" means "boring, boring".
"kind of" means light, meaning "a little bit".