搔首踟蹰 sāoshǒuchíchú to be at a loss Origin Definitions Defs Strokes Stroke Words Sentences Sents 搔首 sāoshǒu to scratch one's head To scratch one's head; often describes a person being deep in thought, troubled, or anxious.踟蹰 踟躕 chíchú to pace To walk back and forth; to hover or loiter about; to pace to and fro