IDIOMS
to little / no avail (formal) with little or no success:
The doctors tried everything to keep him alive but to no avail.
of little / no avail (formal) of little or no use:
Your ability to argue is of little avail if the facts are wrong.
verb [VN] (formal or old-fashioned) to be helpful or useful to sb
PHRASALVERBS
avail yourself of sth (formal) to make use of sth, especially an opportunity or offer:
Guests are encouraged to avail themselves of the full range of hotel facilities.
