だい一声 いっせい
dai issei

Noun

1. first words said (e.g. when meeting someone); first thing out of one's mouth

しかし、私 わたくしたちが くちにする だい いっ せいは「こんにちは」だ。
shikashi watashitachiga kuchini suru daiissēwako"nnichiwada"
But the first thing we say is "hello."
Noun

2. first speech; inaugural address

Noun

3. first tone (in Chinese); level tone

Linguistics