to work jointly on a specific project or task
совместно работать над конкретным проектом или задачей (sovmestno rabotat' nad konkretnym proyektom ili zadachey)
"Both companies agreed to collaborate on the new software product."
"Обе компании согласились сотрудничать над новым программным продуктом." (Obe kompanii soglasilis' sotrudnichat' nad novym programmnym produktom.)
to make someone understand your emotions or point of view
to stop using your phone and keep it aside
to develop admiration or respect for other traditions and be...
to keep something; not to lose hope or belief
to invest large amounts of money into something
to soften your language or behavior for a situation