[tatu-no kubi-no tama-wo e-tora-zari-sika-ba nan] [tono-he-mo e-maira-zari-si]
dragon-GEN neck-GEN jewel-ACC PRE-get-NEG-PERF-BA PRT mansion-to-PRT PRE-come-NEG-PERF
since (we) could not get the dragon's jewel, (we) have not been able to come to your mansion