\documentclass{utarticle}
\parindent0pt
\def\kenten#1{\texttt{#1:}&{你好啊。\kern-4zw ＿＿＿＿}}
\begin{document}
\begin{tabular}{ll}
\kenten{default}\\
%\kenten{AdobeSongStd-Light}\\
%\kenten{MingLiU}\\
%\kenten{IPAexMincho}\\
%\kenten{SimHei}\\
%\kenten{KaiTi}\\
%\kenten{SimFang}\\
\end{tabular}
\end{document}
