if you scratch the surface of a subject or a problem, you only discover or deal with a very small part of it.

Up to now newspaper articles have only scratched the surface of this tremendously complex issue. (usually + of)

• sit back and do something
• sit by
• sit by and
• sit by and do something
• sit idly by
• sit idly by and
• sit idly by and do something
• sit in
• sit in for
• sit in for someone
• sit in judgment
• sit in judgment of
• sit in judgment of someone
• sit in judgment of something
• sit in judgment on
• sit in judgment on someone
• sit in judgment over
• sit in judgment over someone
• sit in on
• sit in on something
• I'm not made of money!
• I must love you and leave you.
• in a bad way
• in a bind
• in absentia