to improve behavior or performance; to become more responsible
améliorer son comportement ou ses performances ; devenir plus responsable (améliorer son comportement ou ses performances ; devenir plus responsable)
"The factory had to clean up its act to avoid heavy fines."
"L'usine a dû améliorer son comportement pour éviter de lourdes amendes." (L'usine a dû améliorer son comportement pour éviter de lourdes amendes.)
To challenge someone to fight or compete.
to continue doing something despite challenges
to find something or someone after a search
very stupid or slow-witted
manipulating people into divulging confidential information...
to be confident and relaxed about who you are