eyes are out on stalks
US /aɪz ɑr aʊt ɑn stɔks/
UK /aɪz ɑr aʊt ɑn stɔks/

1.
眼睛都瞪大了, 非常惊讶
to be extremely surprised or shocked, often with one's eyes wide open
:
•
When she saw the huge diamond ring, her eyes were out on stalks.
当她看到那枚巨大的钻戒时,她的眼睛都瞪大了。
•
The children's eyes were out on stalks when they saw all the presents under the tree.
当孩子们看到树下所有的礼物时,他们的眼睛都瞪大了。