cahoots

n (idm 习语) be in cahoots (with sb) (infml 口 esp US) be planning sth (usu dishonest) with sb; be in league (with sb) 与某人合谋某事（通常为坏事）; （与某人）结伙: The two criminals were in cahoots (with each other). 那两个罪犯（彼此）勾结在一起.

cadenza, cadet, cadet corps, cadge, cadger, cadmium, cadre, Caesar, Caesarean, caesura, cafe, cafeteria, caffeine, caftan (also kaftan), cage, cage / keIdV; kedV/, cagey, cagily, caginess (also cageyness), cagoule, caiman, cairn, caisson, cajole, cajolery, cake, cal, CAL (also Cal), calabash, Calais, calamine, calamitous, calamity, calcification, calcify, calcination, calcine, calcium, calcium carbide, calcium hydroxide,