Once bitten, Knight says he has given up trying to predict when the rally might end.

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She may now try again but how hard, given that once bitten is twice shy?

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Emergency care tsar Sir George Alberti likes telling a story about how he was once bitten by a farm dog while walking in the Lake District.

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Although Erste Bank inherited clean, ring-fenced assets, it took time to coax its once-bitten, twice-shy staff into lending again.

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It's a case of once-bitten, twice shy.

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"Once you get bitten by polar records, you keep going for it, " he told CNN.

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But Menke says, once people are bitten by the triathlon bug, it becomes a way of life.

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He wrote about his daily life and says once the bug has bitten it is difficult to stop writing.

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That's always going to be because folks once again, a snake-bitten gun-shy from the last time.

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Except, that is, when he's being bitten, which has happened he says, in his understated way, "once in a while, but not many times".

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