We've found 5 phrases for act as (0.1 seconds):

do the honors »    Act as a host to guests.

do the honours »    Act as a host to guests.

go with the flow »    To act as others are acting, conforming to common behavior patterns with an attitude of calm acceptance.

stand in for »    To replace; to act as a double or substitute for.

weigh down »    To act as a ballast for.

BTW, Why won't you become an editor?