乘槎
chéng​chá

to ride a raft to heaven

乘槎 chéng​chá
to ride a raft to heaven
(literary) to ride a raft and reach the Milky Way, based on an ancient myth that the sea and heaven are connected
to enter government service
(literary) used as a metaphor for becoming a government official or entering the imperial court
to ride a raft
(literary) to travel on a raft made of wood or bamboo