水洗い: wash with water

天下り: in Japan's postwar period, the practice of awarding a high-level bureaucrat with a high-paying job after retirement

味の素: Japanese company that mainly produces food seasonings and other additives; trade name for monosodium glutamate held by Ajinomoto

有り得ない: impossible

体当たり: body check, body blow

体当たり: body check

出来上がる: be finished, be ready, be done

出来上がり: voila!

諦める: abandon / 明らめる: clarify

貴方達: you (plural), second person plural, you all