HSK 7-9
瞪
dèng动
to open (one's eyes) wide; to stare at; to glare at
老师瞪了调皮学生一眼。
Lǎo shī dèng le tiáo pí xué shēng yi yǎn.
The teacher glared at the mischievous student.
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Appears across levels (7-9) in the HSK 3.0 word list.