col·lab·o·rate /kəˈlæbəˌret/
(vi.)合作,協作,合夥,勾結
collaborate
v 1: work together on a common enterprise of project; "The
soprano and the pianist did not get together very well";
"We joined forces with another research group" [syn: join
forces, cooperate, get together]
2: cooperate as a traitor; "he collaborated with the Nazis when
they occupied Paris"