worse still是什么意思

更糟糕的是
http://www.iciba.com/worse%20still/

worse still英[wə:s stil]
美[wɚs stɪl]
[释义]更糟糕的是; 更坏;

[例句]Something was crawling. Worse still, something was coming out.
更糟糕的是，竟然爬出来了。