Knock the tar out of and Knock the spots off

Knock the spots off and knock the tar out of are semantically related. In some cases you can replace phrase "Knock the spots off" with "Knock the tar out of", this phrases are similar.

Knock the tar out of and knock the spots off are semantically related. Sometimes you can replace phrase "Knock the tar out of" with "Knock the spots off", this phrases are similar.