(as) tough as old boots | (as) tough as ˈnails ( informal )
1.
very strong and able to deal successfully with difficult conditions or situations
2.
not feeling or showing any emotion
(as) tough as old boots | (as) tough as ˈnails ( informal )
1.
very strong and able to deal successfully with difficult conditions or situations
2.
not feeling or showing any emotion
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005