炭たん酸さんで割わる

godan verb (-ru)

dilute with soda; mix with soda water

Used for mixing a drink, typically alcohol, with carbonated water. The phrase is a fixed expression.

• ウイスキーを炭たん酸さんで割わるのが好すきです。

  I like to mix whiskey with soda water.

• 焼しょう酎ちゅうを炭たん酸さんで割わって飲のむ。

  I drink shochu diluted with soda.