臨陣磨槍 (lam4 zan6 mo4 coeng1) — to prepare oneself for battle; to sharpen one's spear before a battle in Cantonese
lamˎ₄臨zanˍ₆陣moˎ₄磨coengˉ¹槍简 临阵磨枪
Mandarin Pinyin: lin2 zhen4 mo2 qiang1
Meaning of 臨陣磨槍
nounto prepare oneself for battle; to sharpen one's spear before a battle
nounlast-minute preparation (slang)