根据中文意思写英文,( 是用seem s very serious还是用looks very serious 为什么?)

Mr.Brown 's condition looks very serious and it is doubtful This is very serious problem什么意思 Very serious talk follows a very light invitation?的意思? I am serious.中文意思是? serious的比较级为什么是more serious? 根据英文意思猜单词1.to understand how serious a situation is2.to do s Our new teacher is very serious A joke is a very serious The problem ( ) next week is very serious. 用（be)serious about 英语翻译While depression can become very serious for those who s Is the H1N1flu very serious now?No,I don't think so.( ),we s