noun
hunt-and-peck typing
Describes a typing method where the user looks at the keyboard and presses keys one by one, like raindrops falling. Rare term; more commonly described as 一本指打法 or simply ブラインドタッチではない打ち方.
彼はまだ雨だれ式でキーボードを打っている。
He still types using the hunt-and-peck method.
Compound of 雨だれ (raindrops) and 式 (style/method), referring to the sporadic, drop-by-drop nature of the typing method.