The negotiations reached a stalemate due to disagreements between both parties.

stalemate 由名词 stale（"陈旧的、停滞的"）和 mate（"伙伴、对手"）组成，原指国际象棋中的"逼和"局面，引申为"僵局、对峙状态"，指双方都无法取得进展的困境。