n.
1) to roll up one's ~s
2) ( misc. ) to have smt. up one's ~ ('to have a secret'); to roll up one's ~s and get down to work ('to get down to serious work')
n.
1) to roll up one's ~s
2) ( misc. ) to have smt. up one's ~ ('to have a secret'); to roll up one's ~s and get down to work ('to get down to serious work')
The Bbi combinatory dictionary of English, a guide to word combinations. Комбинаторный словарь английского языка Bbi. Руководство по словосочетаниям. 2012