cost an arm and a leg 高くつく

cost an arm and a legは高くつくだが、cost money でも同じ意味。0:15 come on, Sam. that costs money. 生放送でそのような悪い言葉を連発すると、あとで高くつきますよ。

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0:16 the Moto X4 is a pretty great phone that doesn't cost an arm and a leg. Moto X4 は目玉が飛び出るほどの価格ではありません。

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0:01 you don't have to spend an arm and a leg to get an decent tablet for binge watching your latest favorite TV shows.

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0:29 carriers can charge an arm and a leg for international service. 海外で携帯を使うと携帯電話会社から法外な電話代を請求されます。

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参考リンク
http://bridge-english.blogspot.com/2024/02/blog-post.html   キンドルを活用する
http://bridge-english.blogspot.com/2024/02/20240204shokz.html   shokz は便利

練習問題解答
b-5320 spend an arm and a leg
b-5497 charge me an arm and a leg
b-6188 charge an arm and a leg