In preamble, define as
\usepackage{color} % for changing font color \usepackage{ulem} % to strike out sentence(s) \newcommand{\yuji}[2]{\textcolor{red}{\sout{#1}} \textcolor{blue}{#2}}
In text body, call the defined command as
Yuji is \yuji{ugly}{great}.
The result is as follows: