eyeball

英 ['aɪbɔːl] 美['aɪbɔl]

face to face with someone, especially in an aggressive way

（剑拔弩张地）面对面，对峙

he wheeled round to confront John eyeball to eyeball.
他突然转过身来，和约翰怒目相对。

(N. Amer. informal)stare at someone in a disapproving or angry way, especially with one's eyelids partially lowered

(北美，非正式)睥睨

(informal)used to emphasize the extreme degree of an undesirable situation or condition

(非正式)深陷困境

he's &B{up to} his eyeballs in debt.
他债台高筑。