verb
Harden is used with these nouns as the subject: ↑ cement , ↑ expression , ↑ eye , ↑ face , ↑ mouth , ↑ nipple , ↑ voice
Harden is used with these nouns as the object: ↑ heart , ↑ steel
verb
Harden is used with these nouns as the subject: ↑ cement , ↑ expression , ↑ eye , ↑ face , ↑ mouth , ↑ nipple , ↑ voice
Harden is used with these nouns as the object: ↑ heart , ↑ steel
Oxford Collocations English Dictionary. Оксфордский английский словарь словосочетаний . 2012