change-up

IPA(Pronunciation)

/ˈtʃeɪndʒʌp/

Noun

broadly

(baseball) A pitch thrown with the arm motion of a fastball, but which travels at a much slower velocity because it is released without the fingers adding power to the delivery.

Japanese Meaning

野球用語。ファストボールと同じフォームで投げられるが、リリース時に指の加減により力が加わらず通常よりも遅いスピードで投げる変化球。

What is this buttons?

He surprised the batter with a perfectly placed change-up that came out of his hand looking like a fastball.

Google Translation / DeepL Translation

彼は速球と見分けがつかないフォームからリリースされる、指の力を加えずに遅くなるチェンジアップで打者を驚かせた。

Details

Sense（1）

(baseball) A pitch thrown with the arm motion of a fastball, but which travels at a much slower velocity because it is released without the fingers adding power to the delivery.