匆 ⇒
匆忙 cōngmáng, hasty/hurried
匆匆 cōngcōng, hurriedly
匆匆忙忙 急匆匆 jícōngcōng, hurried/hasty
行色匆匆 xíngsècōngcōng, hurried/in a haste
匆 cōng, [怱]/[悤], hurried/hasty, variant of 匆[cōng], variant of 匆[cōng]
猝 ⇒
猝死 cùsǐ, sudden death (in medicine, sporting competitions etc)
猝不及防 cùbùjífáng, to be caught off guard/without warning
猝然 cùrán, suddenly/abruptly
猝 cù, abrupt/sudden/unexpected