A dictionary of Confusable Phrases: More Than 10,000 Idioms and Collocations

comport oneself with something • comport with
something
comport oneself with something —behave in the way men-
tioned: With the help of a few drinks, the Consul comports
himself with astounding aplomb.
comport with something —go well with smth.; be in harmony
with smth.: Working for people in need comports with his
beliefs and desire to help people.
comprehensible policy • comprehensive policy
comprehensible policy —an intelligible policy, capable of
being understood: The lack of an explicit and comprehensible
policy leaves us with many unanswered questions.
comprehensive policy —
1
. a policy covering numerous polit-
ical issues: A comprehensive policy must cover a broad range
of policy areas, include trade policy, agricultural policy, and
so on. 2. an insurance policy that provides coverage in several
areas: The comprehensive policy covers accidental loss or dam-
age to the insured vehicle as well as third party liability.
concentrate at something • concentrate on
 something
concentrate at something —(of troops) gather in force at a cer-
tain place: Most of our forces have concentrated at the bridge.
concentrate on something —
1
. (of troops) gather in force on a
certain place : The Sardinian troops concentrated on the
heights. 2. give one’s full attention and thought to smth.: We
must concentrate on finding ways to reduce costs.
concern oneself about something • concern oneself
with something
concern oneself about something —care about what happens
to smth.; worry about smth.: The public did not concern itself
about the poem, or the poem-maker.
concern oneself with something —be actively involved with
smth.; engage in smth.: I’d dearly love to see more women
concerning themselves with such vital issues.