He had retained a keen interest in the progress of the work.

他一直对工作的进展保持着强烈的兴趣。

《柯林斯英汉双解大词典》

He took a keen interest in his grandson's education.

他对孙子的教育很感兴趣。

《牛津词典》

"Coming from Iran, I have a keen interest in Middle Eastern science," he says.

他说：“我来自伊朗，对中东科学有着浓厚的兴趣。”

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Mr.Calderon's term in office ends in two years. Some analysts see him as a "lame duck" president with a keen interest in support from Washington.

VOA: standard.2010.05.17

"South Africa is very keen to drum up support and worldwide interest in the World Cup.

VOA: standard.2010.03.03

Jay Pritzker took a keen interest in what he called the personality of hotels.

ECONOMIST: Jay Pritzker

Venture capitalists continue to show keen interest in virtual goods, social games and microtransactions.

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Then she started doing teaching, counseling and mentoring and uncovered a keen interest in leadership.

FORBES: Magazine Article