to mix / to mingle / muddled / to drift along / to muddle along / to pass for / to get along with sb / thoughtless / reckless
混
=
昆
+
氵
:
Helga Horse (hu) often visits entomology man (昆) in the encampment's bathroom ((e)n4), where he spends his time with (混) his ants which he keeps in a water bottle (氵).