ADJ [usually verb-link ADJ] （因震惊而）目瞪口呆的，不知所措的 If someone is pole-axed, they are so surprised or shocked that they do not know what to say or do. （因震惊而）目瞪口呆的，不知所措的 [mainly British, informal]
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Sitting pole-axed on the sofa, Mahoney stared in astonishment at the spectacle before him.
马奥尼不知所措地坐在沙发上，吃惊地盯着眼前的景象。