HSK 6
闯
chuǎng动
to rush; to charge; to dash; to break through
小狗突然闯进了教室。
Xiǎo gǒu tū rán chuǎng jìn le jiào shì.
A puppy suddenly dashed into the classroom.
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Also free:
New in the HSK 3.0 word list at level 6.