The thief had an unsteady eye that blenched under another 's gaze .

那个贼有在别人的凝视下畏缩不定的目光。

Please enjoy those sufferings which cannot be blenched .

请享受无法回避的痛苦。

She blenched at the thought of picking up the dead animal .

在想到拾起动物尸体时她退缩了。