a waste of time为什么加the
waste表“垃圾”时可数吗？谢谢！～？
waste表“垃圾”时可数吗？谢谢！～？
作浪费,废料,垃圾等的时候是不可数名词 例:His idle talk is just waste of time.他的空谈简直就是浪费时间.作荒地,荒漠,凄凉的景象的时候是可数名词 例:the wastes of the Sahara撒哈拉沙漠~
a waste of time可以用什么替换？
这个短语可以用waste time来替换。
a waste of time后面是加doing sth还是to do sth？
后面?doing
It#39s a waste of time doing sth.浪费时间做某事
1、It is a waste of time going to the doctor with most mild complaints.
一点小毛病就去看医生是浪费时间。
2、It is a waste of time warning him — he is determined to go his own way.
警告他等于浪费时间,因为他决心要照自己的意思去做。
to read such a magazine.
5?waste time和a waste of time的区别？
waste time: 动词词组，在句中作谓语，意思是浪费时间。
a waste of time: 名词性词组，作主语、宾语或表语，意思是对于时间的浪费。
itisawasteoftimeto dosth造句？
Its a waste of time of doing something 意思是做某事浪费时间。例句:It is a waste of time working on this problem. 致力于这个问题是浪费时间。Its a waste of time waiting here.
在这儿等是浪费时间。Its a waste of time going to the doctor with mosy mild complaints.