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general::
Phrase(s): Let’s shake on it.
Let us mark this agreement by shaking hands on it. • Bob: Do you agree? Mary: I agree. Let’s shake on it. Bob: Okay. • Bill: Good idea. Sounds fine. Bob (extending his hand): Okay, let’s shake on it. Bill (shaking hands with Bob): Great!
McGrawhill's American Idioms And Phrasal Verbs