act together(example provided by ART Vancouver – (пример, подтверждающий правильность именно этого варианта: Unless all joint accounts holders are required to act together, there are no limitations on how joint account holders may use the funds in the account.rbcroyalbank.com)
join forces(Rusnano and the European Bank for Reconstruction and Development joined forces to invest 2.8 billion rubles ($90 million) and 1.4 billion rubles, respectively, into a glass-manufacturing plant to be built in the Moscow region. TMT Alexander Demidov)
play ball("It might pay you to play ball with me. It might be a good idea. It might pay you to keep your nose clean." "How much might it pay me?" I asked. "It might pay you in time and health." (Raymond Chandler)ART Vancouver)
intent to establish the concurrence of wills(пример: The stronger the evidence of an anticompetitive agreement in the Messenger scenario, the less the need for evidence of intent to establish the concurrence of wills or the agreement’s purpose. A.Rezvov)