a completely new or different situation; something that changes the way things are done.
まったく新しいまたは異なる状況; 物事のやり方を変えるもの。 (mattaku atarashii mata wa kotonaru jokyo; monogoto no yarikata o kaeru mono)
"Starting a business from scratch is a whole new ball game."
"ゼロからビジネスを始めることはまったく新しい体験です。" (zero kara bijinesu o hajimeru koto wa mattaku atarashii taiken desu)
A person who is overly idealistic, unrealistic, or impractic...
to combine one thing with others
to contact someone by writing or message
the basic practical details of something
to make a serious or formal promise
to move backwards into something unintentionally