J.S.バッハ: マタイ受難曲：我ら涙流しつつひざまづき［ナクソス・クラシック・キュレーション #切ない］
28721.one day (いつか必ず ）
I'm going to marry her one day.
28722.someday (（漠然とした）いつか ）at an unknown time in the future, especially a long time in the future
Someday I want to travel the world.
28723.off the top of one's head (パッと頭に浮かんだ思い付きのもの ）
Off the top of your head, I'd say there were about 300 people at the event last night.
I'm going to marry her one day.
28722.someday (（漠然とした）いつか ）at an unknown time in the future, especially a long time in the future
Someday I want to travel the world.
28723.off the top of one's head (パッと頭に浮かんだ思い付きのもの ）
Off the top of your head, I'd say there were about 300 people at the event last night.
28724.pop into one's head/mind (パッと頭に思い浮かぶ、7（考えなどが）ひらめく ）
The key is to not think too much. Just say what pops into your mind.
28725.a pain in the neck/butt/ass (めんどくさい ）to be very lazy and spend time doing very little
Folding laundry is a pain in the butt.
28725.a pain in the neck/butt/ass (めんどくさい ）to be very lazy and spend time doing very little
Folding laundry is a pain in the butt.