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

ice someone • put someone on ice
ice someone —
1
. cause depressing influence over smb.: Her
very enthusiasms were cold; she iced you by the tone of her
conversation. 2. (Underworld) kill a person: The mobsters
threatened to ice him if he went to the police.
put someone on ice—(sl.) 
1
. (also: keep someone on ice) post-
pone acting on a person: He keeps pestering you for an answer,
but we’ll just have to put him on ice until we have more facts
to go on. 2. put smb. in solitary confinement for a while before
interrogation: He will for a considerable time be “put on
ice”— isolated from any contact with other members.
identify oneself to someone • identify oneself with
someone
identify oneself to someone —say or prove (as to the police,
etc.) who or what a person is: Shortly before he died, the man
identified himself to the police as Michael Howard, 29 years
old.
identify oneself with someone —(also: identify with someone)
feel that one shares the ideas, beliefs, problems, etc. of another
person: The poet may be said, for the time, to identify himself
with the character he wishes to represent.
if a day • not a day over
if a day —(also: if one is a day) is used to express certainty
about a person’s age: Madeleine’s sister is a great age, too.
Eighty, if a day.
not a day over —one cannot be older than the age mentioned:
“You look very well, not a day over forty,” Charlie said, stand-
ing back.
if any • if anything
if any —supposing there is or are any: It is a cooperative
venture with all the profits, if any, being invested in expanding
community based broadcasting.
Note:
The expression is not equivalent in meaning to the phrase
if at all
— supposing an action, event, etc. happens although it
is very unlikely: Legislation is referred to a committee, only to
be considered later, if at all.
if anything —if in any degree: If anything, this approach
puts those risks in the forefront, assuring that they will not
be overlooked.