Can I interest you in a cup of coffee? コーヒーはいかがでしょうか？

Can I interest you in something? 接客用語としておぼえておくと便利だ。1:07 can I interest you in a dessert this evening? don't you always? which one would you like? surprise me.　デザートなどはいかがでしょうか？いつもどおりに。どちらにしましょうか？まだ食べたことの無いやつを頼むよ。

Ratatouille (2007) - Ending scene

1:51 can I interest you in any careers? 何かのキャリアはいかがですか？

The Restaurant of Life

0:43 can I interest you in a slice of rice? 一切れのご飯はいかがでしょうか？

How you've been cooking rice WRONG your entire life - BBC

練習問題解答
a-8383 can I interest you two in some delicious beets
a-9719 can I interest you in
b-0133 could I interest you in something