Trouble
Troublesome, Inconvenience, Nuisance
noun, な adjective
You've been led astray and you've been misguided. What a trouble, and indeed a troublesome inconvenience all this is.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
迷惑な人がいて、困ってるんです。
There is an annoying person, and it’s troubling me.
ご迷惑じゃなければ、お願いしてもいいですか？
If it's not too much trouble, is it okay to leave it to you?
最近、迷惑メールがたくさん送られて来るようになった。
Lately, I have been getting a lot of junk mail.
日本語が下手なので、あなたに迷惑をかけてしまうかもしれません。
I am bad at Japanese, so I might be an inconvenience to you.