English
Home
Work area
Library
Dictionary
Enter the word for search
toughening
UK
/ˈtʌfənɪŋ/
US
/ˈtʌfənɪŋ/
toughening up
Overview
Phrases
Library
Examples
AI Expert
Dictionaries
Examples
Add an example
Nothing found
Overview
Phrases
Library
Examples
AI Expert
Dictionaries