友谊

A very warm friendship has been forged between them.

friendship comes first and competition second―set friendship before competition

genuine friendship

real friendship

lifelong friendship

close/intimate friendship

firm/strong friendship

perpetual/sincere/abiding/profound friendship

pledge of friendship

bonds of friendship

stretch out the hand of friendship to sb; give/offer sb the right hand of fellowship

cherish/treasure/value a friendship

foster/promote good fellowship

impair friendship

lose one's friendship

destroy a friendship

cement/form a friendship; strike up a friendship

build up/cultivate a friendship

enhance/strengthen a friendship

acquire the friendship

restore/renew/revive one's friendship (with); revive old friendship

cement a friendship

develop a friendship

break up a friendship

promote friendship

violate friendship

maintain friendship