"she flinched when they showed the slaughtering of the calf"
His eye..quails before so vast an outlook.
His keen and unpleasant glance travelled over them and made them quail beneath it.
A weaker spirit might have quailed, or hid its head in the sand.
牛津高阶第八版
美国韦氏词典
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维基百科 (自由的百科全书)