(と〜) thinking that […] (with the next clause explaining that the truth is contrary to expectations)

back and front; both sides / inside out / disparity between appearance and true qualities; two-faced / ins and outs

not in the mood to do things; having a heavy mood

Classical Japanese and literary form of 思う (omou, “to think”)

Alternative form of 思い切り

carefully deliberating

to deliberate carefully

立入禁止: no entry

電話を切る: to hang up, to terminate a phonecall

gaudy, flashy