Support for Web standards — including Extensible Markup Language (XML), Extensible Hypertext Markup Language (XHTML), and Cascading Style Sheets (CSS) — was improved but not yet perfect.

对Web标准的支持，包括可扩展标记语言(XML)、可扩展超文本标记语言(XHTML)和层叠样式表(CSS)，虽然有所改进但是还不完善。

youdao

This is a remote Chinese chess under the procedures can bring about long-distance chess basic functions, but not yet perfect, some scintillation screen, but it is still worth consideration.

这是一个能够远程下中国象棋的程序，能够基本实现远程下棋功能，但还不完善，屏幕有些闪烁，但还是值得借鉴的。

youdao

Today, Kitts's arm is great, but it's not yet perfect.

今天，基茨的手臂很不错，但还不够完美。

youdao

We have been working harder as each game has gone, but we have not yet played the perfect game.

BBC: Chance to play perfect game

My backhand is not yet technically perfect but it is getting better and better.

BBC: SPORT | Tennis | Clijsters marks comeback with win