They made so much noise，our teacher got angry．他们吵得这么历害，老师生气了。
It's so cold a day to day．（＝It's such a cold day today．）今天是这么寒冷的一天。
◆ so as to; in order to; so…as to
◇ so as to与in order to二者均表示“以便；为了”，后接动词不定式作目的状语，可以换用；但so as to引导的目的状语不能置于句首，而in order to则可以。如： He stopped working in order to／so as to take a rest．他停止工作以便休息。 In order to make a living, he had to work day and night．为了谋生，他不得不日夜工作。
◇“so＋形容词／副词＋as to”的意思是“如此的……以致于”，引导表示结果的状语。如： He ran so fast as to get a pain in his side．他跑得太快，结果导致腹侧疼痛。
◆ sometimes／sometime／some time
◇ sometimes是个频度副词，意为“有时”，表示动作发生的不经常性，常与一般现在时或一般过去时连用。如：
Sometimes I have lunch at school．有时我在学校吃午饭。