to provide assistance; to aid

an association; a society; CL:個|个[ge4],家[jia1]

to coordinate; to harmonize; to fit together; to match (colors etc); harmonious; concerted

to consult with; to talk things over; agreement

agreement; accord; to reach an agreement

cooperation; coordination

contract; protocol

to unite in common effort

concerto

to harmonize; harmony; cooperation; (music) consonant

to cooperate; to harmonize; to help; to assist; to join

to assist; to help sb do sth; to cooperate in doing sth

to cooperate; in coordination with; coordinated; collaborate; collaboration; collaborative

to perform (a concerto)

assistant manager; to assist in managing

to assist in managing (e.g. traffic police or crowd control); to steward

entente; pact; agreement; negotiated settlement

auxiliary police

to rhyme

vehicle powered by two or more pedallers (typically, a tandem bicycle)

covariate (statistics)

(statistics) covariance

assistant manager; steward

Allies; entente (i.e. Western powers allied to China in WW1)

coordinator

coordinator

synergy; cooperative interaction

Concorde, supersonic passenger airliner

consultative conference (political venue during early communist rule); consultative meeting; deliberative assembly

coprocessor

(Tw) (in a research project) collaborator of the investigator(s)

Concorde, supersonic passenger airliner

Coordinated Universal Time (UTC)