n.
a person who stands in for another, especially in a performance; a substitute: his stand-in does all the dancing sequences
Oxford American Dictionary
n.
a person who stands in for another, especially in a match or performance; a substitute: a stand-in goalkeeper
Oxford Dictionary
ph.
be in league or partnership with someone
Oxford Dictionary
ph.
be in league or partnership with someone
Oxford American Dictionary
ph.
be advantageous or useful to someone over time or in the future
Oxford American Dictionary
ph.
prevent (something) from being achieved
Oxford American Dictionary
ph.
prevent (something) from being achieved
Oxford Dictionary
ph.
be advantageous or useful to someone in the future
Oxford Dictionary