"put oil on my head." This was the custom to welcome an honored guest. AT: "welcome me by anointing my head with oil" (See: [[rc://en/ta/man/translate/figs-explicit]])
Her love was the evidence that her sins were forgiven. Some languages require that the object of "love" be stated. AT: "for she greatly loves the one who forgave her" or "for she loves God very much"
"anyone who is forgiven only a few things." In this sentence Jesus states a general principle. However, he expected Simon to understand that he showed very little love for Jesus. (See: [[rc://en/ta/man/translate/figs-explicit]])