He told me I was flat-footed.

他告诉我说我是扁平足。

《柯林斯英汉双解大词典》

They were caught flat-footed by the attack.

他们冷不防遭到了攻击。

《牛津词典》

Though these scenes lend black humor and boisterous vitality to the opera, they are musically flat-footed.

尽管这些场景为歌剧增添了黑色幽默以及很强的活力，但在音乐上还是平淡的。

youdao

The most natural,straightforward,literal,flat-footed interpretation.

最自然，直接，理性和踏实的解释。

耶鲁公开课 - 死亡课程节选

Doubtless his main theme will be that the Arab Spring is diametrically opposed to Bin Laden's ideology, and leaves al-Qaeda looking flat footed and out dated.

BBC: Arab Spring headaches for Barack Obama

But the Gunners were made to pay after half an hour when Senderos was caught flat footed and Hyypia had the freedom of the Anfield penalty box to head past Cesc Fabregas and in off the post.

BBC: Liverpool 4-2 Arsenal (agg 5-3)

They picked up some Hewlett-Packard last year after the flat-footed management took one too many writeoffs.

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