zusammenarbeiten
act in concert · act jointly · assist · care for · co-operate · collaborate · compete · contend · contribute · cooperate · help · hold in common · input · liaise · pull together · rival · share · to act jointly · to co-operate · to collaborate · to cooperate · to do something together · to hold in common · to play ball · to share · to work in harness · to work together · vie · work in concert with · work together