to whom it may concern
Used as a formal salutation in a letter when the writer does not know the recipient or the identity of the recipient.
concern
/kənˈsɝn/
noun 5verb 3
Collocations
22(noun.) feeling of worry
ADJ
considerable, deep, grave, great, major, serious | growing, mounting | common, widespread
national, public
There is growing national concern about the rising cost of healthcare in our country.
VERB + CONCERN
feel
Parents often feel concern when their children travel abroad for the first time.
express, show, voice
cause
The rising cost of childcare is causing concern among working parents.
PREP
in sb's ~
The teacher showed great concern for each student's progress throughout the school year.
out of ~
~ about/over
Many parents have voiced concern over rising screen time among teenagers.
~ for
The government expressed deep concern for the safety of citizens living near the old factory.
PHRASES
be of (no) concern to sb
Rising costs at the local school are of serious concern to many families in our community.
(a) cause for concern
The rising crime rate in our neighborhood has become a real cause for concern among residents.
a lack of concern
His lack of concern about the deadline worried his parents.
a matter of concern
The rising cost of school uniforms has become a matter of concern for many parents.
(noun.) sth that worries/affects you
ADJ
chief, main, major, overriding, paramount, primary
The chief concern for most parents is keeping their children safe and healthy.
common
Pollution has become a common concern in cities around the world.
PHRASES
be none of sb's concern
What other people do in their free time is none of your concern.
(verb.) affect/involve
ADV
directly
PREP
in
All the people involved in the project expressed their concerns at the meeting.
(verb.) worry sb
ADV
a lot, really
His constant lateness really concerns his boss at work.
slightly
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