Be on pins and needles and Sit upon thorns

Sit upon thorns and be on pins and needles are semantically related. In some cases you can replace phrase "Sit upon thorns" with "Be on pins and needles", this phrases are similar.

Be on pins and needles and sit upon thorns are semantically related. Sometimes you can replace phrase "Be on pins and needles" with "Sit upon thorns", this phrases are similar.