質問: how do you say this in japanese? everyone said that class was amazing so i registered for it, but when i attended the first lecture i realized that i knew everything, so i dropped it. i had better things to do than to relearn what i'd already learnt. how do you say this in japanese? everyone said that class was amazing so i registered for it, but when i attended the first lecture i realized that i knew everything, so i dropped it. i had better things to do than to relearn what i'd already learnt.
回答: みんながすごいって言ってたからその授業を取ったんだけど、最初の講義に出たら(授業内容が)知ってる事ばかりってわかってドロップ(or 履修中止)したよ。もう(とっくに)知ってること、また習うって... ※ i had better things to do = i had other things i could have been doing = もー、他のことできたよー → もう(とっくに)知ってることまた習うって...