Senses
红帽子/ 紅帽子 red cap
a red hat or cap
红帽子/ 紅帽子 porter
a luggage porter or redcap working at a railway station or wharf
红帽子/ 紅帽子 red label
a political label or stigma used to accuse someone of being a communist or having communist ties, especially during periods of political persecution
红帽子/ 紅帽子 red hat company
a private enterprise registered as a collectively-owned one for political protection or tax benefits