open-mouthed

Open your mouth wide.

张大你嘴。

She opened her mouth to receive the papery-thin wafer.

她张开嘴领受薄薄圣饼。

He opened his mouth to make a caustic retort.

他张嘴开始进行刻薄反击。

The minute the door opened, I felt too stunned to open my mouth, staring at her scorched and toilworn face under the glaring lamp, as if an ancient thread-bound book.

惨亮灯光下，她枯黄憔悴如同一册古老线装书。