For the commentary, "Chichiue" is a nickname given by the Japanese to Lancer Artoria. The pronunciation is the same as "father", exactly as Mordred refers to Artoria, but the written characters themselves mean "milk" and "upper", referring to Lancer's body.
Is it because he's barely getting any rest? Master is not looking well...Gudaaa~...I wonder if I could help...stripping!MasterstripWai-What on earth are you doing, Artoria-san!!bluuuush