She has a boyfriend she's been going out with since high school but feels their relationship has become a matter of habit and is increasingly dissatisfied.
「ピッキングの道具無しで、どうやって侵入した?」「トイレの窓があいた」
"How did you break in without any lockpicks?" "The bathroom window was open."
あいつも海千山千だから、相手と取引させてもかなり手づよいぞ。
With all of his tricks he has mastered, he will be able to deal with any formidable client.
あいつは何かと言うと知ったかぶりをする。
Regardless of the subject, he pretends to know all about it.
あいつ、絶対ペーパータオル使わないんだぜ。地球に優しいやつってことだよな。
She never uses paper towels. She is such a tree hugger, you know.
あいつ、自分が音痴だってこと知らないんだよ。
He doesn't realise that he's tone deaf.
隣に住んでるのに、彼は私たちにあいさつさえしない。
Though living next door, he doesn't even say hello to us.