The world community should not flinch in the face of this challenge.

该国际团体不应该在这一挑战面前退缩。

《柯林斯英汉双解大词典》

To defeat terror, and not flinch.

要战胜恐怖，而不是退缩。

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The Germans did not flinch.

德国人没有退缩。

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His flinch is not the same response that one would give if one's hit.

不是所有的人在挨打时,都会做出相同的闪躲反应。

耶鲁公开课 - 心理学导论课程节选

He also told BBC One's Andrew Marr Show he would "not flinch" amid growing speculation about his future.

BBC: Lib Dem conference: Clegg promises to push for wealth tax

Susanne did not flinch and, after a few slow moments with his mouth resting motionless on hers, he inserted a pointed tongue.

NEWYORKER: The Yellow

And he said he would not flinch from criticism about his performance.

BBC: Miliband: Criticism 'part of job'