verb
Stiffen is used with these nouns as the subject: ↑ back , ↑ body , ↑ muscle , ↑ resistance , ↑ shoulder
Stiffen is used with these nouns as the object: ↑ penalty , ↑ spine
verb
Stiffen is used with these nouns as the subject: ↑ back , ↑ body , ↑ muscle , ↑ resistance , ↑ shoulder
Stiffen is used with these nouns as the object: ↑ penalty , ↑ spine
Oxford Collocations English Dictionary. Оксфордский английский словарь словосочетаний . 2012