open-mouthed

Open your mouth wide.

张大你的嘴。

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

她张开嘴领薄薄的圣饼。

He opened his mouth to make a caustic retort.

他张嘴开始进行刻薄的反击。

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.

惨亮的灯光下，她枯黄憔悴如同一册古老的线装书。