Despite numerous failures, they continued to conduct the experiment without flagging.

尽管实验几次都失败了，他们仍毫不气馁地继续进行。

《新英汉大辞典》

And what if the leaker is determined to siphon out a rarer, seldom-accessed file without flagging network monitoring technologies?

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The car was not fast or powerful but could run without flagging at a steady 80 kilometres (50 miles) an hour.

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It began in December 1967 when five secretaries at a ventilation and heating company volunteered to work an extra half hour each day without pay to do their bit for the flagging economy.

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