Oxford Dictionary
ph.
accept an offer or challenge from someone
Oxford American Dictionary
ph.
undertake a task or responsibility, especially a difficult one
Oxford Dictionary
ph.
undertake a task or responsibility, especially a difficult one
Oxford American Dictionary
Oxford American Dictionary
ph.
accept an offer or challenge from someone
Oxford Dictionary
ph.
accept (an offer or challenge) from someone
Oxford American Dictionary
ph.
challenge or question a speaker on (a particular point)
Oxford Dictionary