The adverb 尚 "still"
The adverb 尚 
emphasizes that an action is not completed and that there is no result yet.
In a sentence, 尚 is placed before a predicate.
emphasizes that an action is not completed and that there is no result yet.
In a sentence, 尚 is placed before a predicate. Pay attention
尚 is used in written language.
Examples
这个调查到现在为止尚无进展
This investigation has not yet concluded
zhè ge diàochá dào xiànzài wéizhǐ shàng wú jìnzhǎn
他的计划能否成功尚需拭目以待
It remains to be seen whether his plan will succeed
tā de jìhuà néngfǒu chénggōng shàng xū shìmùyǐdài
这病尚处于初始阶段
The disease is still in its early stages
zhè bìng shàng chǔyú chūshǐ jiēduàn
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