be serious about do还是doing?

be serious about do还是doing? Please be serious about what you do.这句话中的serious什么意思?好像不是“严肃” be serious about diong about.=be serious about sth. be serious about什么意思? be serious about doing sth是什么意思? 用（be)serious about有翻译 be serious about 和be interested in 有何区别 两个英语单词填空1.--What serious t_______ do they talk about?--Nuclear power2.if you say that again you'll be in trouble,I p_______ you! serious about怎么读 be about to do和be about doing 区别 Are wooden chopsticks a serious in china ?discuss why ,what should we do about it 怎样用get in the way of,(be) serious about ,spend time on造句 如何用get in the way of;(be) serious about;spend time on造句 “get in the way of”“（be）serious about”“spend time 用每个单词造一句话 be serious about doing sth.老师说是对...认真但是补习班老师说是渴望干某事 be serious with/about有什么区别吗?有没有哪个接人 哪个接物的分别? 1.my parents are worried about my_______(succeed)at school2.Yao ming is a ________(profession)basketball player.3.Do you know the_________（important)of learning english?4.Liu yu is serious about________（be)a runner be to do be about to do 有什么区别