have a tough

a tough a tough day 应该怎么翻译?全句是 Did you have a tough day today? 英语翻译Harvard researchers have created a tough,low-cost,biodeg if we do have the problem,it's a tough one to solve in a goo l am very happy to have been a tough who knows?I am most sad I have decided to 、、、、、、,this is really a tough decision ,so I have found many helpers ____ with this tough problem.A.to You are a great person.Life is always tough.You got to have So how can you have a tough,how can I meet,their life is exa tough a tough at my elbow She is a very tough