HSK 7-9
吼
hǒu动
to roar; to howl; to shriek; roar or howl of an animal
受伤的狮子朝猎人怒吼。
Shòu shāng de shī zi cháo liè rén nù hǒu.
The injured lion roared at the hunter.
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Appears across levels (7-9) in the HSK 3.0 word list.