to understand or solve something
comprendre ou résoudre quelque chose (comprendre ou résoudre quelque chose)
"We need to figure out why the emails bounced."
"Nous devons comprendre pourquoi les e-mails ont rebondi." (Nous devons comprendre pourquoi les e-mails ont rebondi.)
to do your fair share of work
a complex problem that may cause more trouble once started
to decline in quality or condition
I am the one responsible; I will take responsibility.
to maintain order and avoid conflict
to make someone very sad