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

come in for something • go in for something
come in for something —
1
. gain smth. after a person’s death:
Harry came in for a large share of his father’s fortune. 2. be
the object of praise, criticism, etc: The eldest sister always
came in for much of the blame.
Note: 
The expression does not correlate in meaning with the
phrase come in on something— take part in some activity; share
in smth.: The lines of authority aren’t clearly drawn. The state
detectives usually come in on murders.
go in for something —
1
. have smth. as one’s chosen career or
pastime: I thought he only went in for music and tennis. 2.
(of a competition, etc.) enter as a contestant: I’d like to go in
for a more advanced examination if I can. 3. indulge in smth.:
Beauty salon hair dressers and cosmeticians expect women to
go in for fancier coiffures.
come in force • come into force
come in force —come in great numbers: The men of Mnela
were coming in force to hail and escort their chief.
come into force —(of legal documents) become binding: When
does the new law come into force?
come in from the cold • come in out of the rain
come in from the cold —change one’s ways, practices, etc., so
as to be accepted by others: Unless the union moderated its
policies and came in from the cold, it would lose even more
members.
Note:
The expression is not antonymous in meaning to the
phrase be out in the cold—(also: be in the cold) be destitute or
abandoned: If you don’t save for your retirement, no one will
do it for you and you will be out in the cold when old age
hits.
come in out of the rain —(usually in the phrase “know enough
to come in out of the rain”) show common sense: “Don’t you
have the sense to come in out of the rain?” He pauses. “Ob-
viously, this isn’t the safest neighborhood to be working in.”