shàng​xiàn

handler

上线 (上線) shàng​xiàn
handler verb
a person who oversees and directs the activities of another in a gang or spy ring

The spy is secretly contacting his handler.

online verb
to go online or to launch something online

Our new website officially went live yesterday.

production verb
to put into production or begin assembly line processing

Production of this new mobile phone model will begin next week.

standard verb
to reach a specific standard or required level

His scores have met the required cutoff, so he can apply for this university.

Frequency

Written text
10.8 per million

Sources

Definitions
CC-CEDICT
Frequency data
BCC Corpus (BLCU)