to be extremely worried or upset
être extrêmement préoccupé ou contrarié (etre extremement preoccuppe ou contrarie)
"She was tearing her hair out trying to find her lost keys."
"Elle était en train de s'arracher les cheveux en essayant de retrouver ses clés perdues." (elle etait en train de **s'arracher les cheveux** en essayant de retrouver ses cles perdues.)
To know something very well
to act morally or kindly even when others don't
to choose not to participate in something
a person who is the first to do something innovative
safe and unharmed after a difficult situation
to earn a large profit quickly