HSK 7-9
沉迷
chénmí动
to be engrossed; to be absorbed with; to lose oneself in; to be addicted to
他曾沉迷游戏忽视学习。
Tā céng chén mí yóu xì hū shì xué xí.
He once became absorbed in games and neglected his studies.
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Appears across levels (7-9) in the HSK 3.0 word list.