keep in tough

keep in tough tough in Here`s my card.Let`s keep in ----.A tough B relation C connection D friendship “get in tough”的意思 tough tough tough tough tough tough tough tough have in tough with your friends 翻译 keep in keep in keep in 英语翻译Subjects like snow,sand,and white flowers - anything where white is the predominant color – present one particular difficulty:It’s tough to keep detail in the white areas without turning them somewhat gray.The situation gets more diff China Sets Tough Line in Climate Talks,怎么翻译?