延: Ⅰ动词1.(延长) prolong; extend; protract 短语和例子苟延残喘 be on one's last legs; linger on in a steadily worsening condition; 蔓延 spread; 绵延不断 stretch long and unbroken2.(向后推迟) postpone; delay 短语和例子大会遇
若: 若Ⅰ动词(如; 好象) like; seem; as if 短语和例子呆若木鸡 dumb as a wooden chicken; dumbstruck; 旁若无人 act as if there was no one else present; self-assured or superciliousⅡ连词[书面语] (如果) if 短语和例子人不犯我, 我不犯人; 人若