根据意思写成语。+c;t2A.O,a
(1)形容社会极端黑暗。;V'M-R/y-G(?+i0T5w9B:C+c;t2A.O,a
(2)男女相爱时所立的誓言和盟约,表示爱情要像山和海一样永恒不变。5c'g3k(C4z:v+c;t2A.O,a
(3)因伤感、苦闷、痛苦等不停地唉声叹气。(L+?'g.i9x7o+c;t2A.O,a
(4)水势浩大的样子。)X3P7_2h7a:G7I(J1x1L5S+c;t2A.O,a