离别

part; leave; depart; say goodbye; take leave; bid farewell; separate; part from; be away from; parting; farewell; leave-taking; separation; goodbye

为了

for; about; in; by; toward; and; so; order; for the sake of; in order to; for the purpose of; so as to; in the interest of; so that

更好

better; so much the better; all the better

重逢

meet again; reunite; have a reunion; reunion