厉兵粟马 (厲兵粟馬) lì bīng sù mǎ

lì bīng sù mǎ set phrase sharpen the weapons and feed the horses; get ready for battle
Domain: Idiom 成语 , Subdomain: , Concept:
Notes: Variant of 厉兵秣马 (Guoyu '厲兵粟馬')