"eyeball" in Chinese (Simplified)
眼球盯着看（非正式，动词）
Definition
眼窝里的圆形部分，即眼球；（非正式）也可以指直接盯着某物看。
Usage Notes (Chinese (Simplified))
名词用法较专业，常见于医学；动词用法很口语，指盯着看或凭眼估算。'eyeball to eyeball' 表示正面对峙。一般看东西不用该词。
Examples
The doctor examined her eyeball carefully.
医生仔细检查了她的**眼球**。
Your eyeball moves when you look around.
当你四处看时，你的**眼球**会转动。
An infection in the eyeball can be serious.
**眼球**感染可能很严重。
He tried to eyeball the length of the table without using a ruler.
他试图不用尺子就**估算**桌子的长度。
They went eyeball to eyeball in the competition.
他们在比赛中**正面对决**。
Can you eyeball if this box will fit in the car?
你能**大致估算**这个箱子能不能放进车里吗？