hold one's nerve

a vicious spiral absorbed dose rate advanced sewage treatment amplifier-type meter borolithochrome fingerpainting flexible wavequide group type analysis hsiang fu ta ti chih f?n nu wu inseat inshore hydrography inter-unions mini-defibrillator muckety muck mucoid enteropathy n-hexylaldehyde nuclear power plant simulator salfemic (c.i.p.w) spirinche triplate