a tough

a tough tough a tough at my elbow She is a very tough 翻译:a tough-love decision How a tough guy of today survives? 英语翻译和It is a tough 翻译 a tough day 应该怎么翻译?全句是 Did you have a tough day today? a tough match 能不能写成 a hard match 英语翻译Harvard researchers have created a tough,low-cost,biodeg it's really a tough job 什么意思 A tough man will subject himslf to hardship.是什么意思