Single HSK word
汹 appears in the HSK word 汹涌, meaning "to surge up violently [of ocean, river, lake etc]".
汹涌 • xiōng yǒng • to surge up violently [of ocean, river, lake etc] • HSK 6
HSK 6
xiōng汹
yǒng涌
to surge up violently [of ocean, river, lake etc]

