on
1.
to employ sb :
to take on new staff
She was taken on as a trainee.
2.
[ no passive ] to play against sb in a game or contest; to fight against sb :
to take somebody on at tennis
The rebels took on the entire Roman army.
on
1.
to employ sb :
to take on new staff
She was taken on as a trainee.
2.
[ no passive ] to play against sb in a game or contest; to fight against sb :
to take somebody on at tennis
The rebels took on the entire Roman army.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005