根据要求写出相应的词语。  

(1)写步子强壮有力或脚步不稳的词语：                                                       

(2)写在别人急需时给予支持和帮助的成语：                                                    

(3)写关于气节高尚的成语：                                                 

(4)写关于亲情友情的成语：                                               

试评过期承兑的效力如何