zéi​chuán

dubious venture

贼船 (賊船) zéi​chuán
dubious venture noun
a criminal gang, reactionary organization, or a shady project that is difficult to leave once joined
pirate ship noun
a ship used by pirates or for illegal activities at sea

Frequency

Movie subtitles
0.420 per million appears in 0% of films
Written text
0.417 per million

Sources

Definitions
CC-CEDICT