His three hour looking at Tao Ci turns up no sign of improvement.

他看了陶子三个小时，没有发现好转的迹象。

youdao

All that can be done is done, but the patient has shown no sign of improvement.

能做的都已经做了，但是病人还没有好转的迹象。

youdao

The two sides have been at daggers drawn for some months now with no sign of improvement in relations.

双方剑拔弩张相持了几个月，现在关系仍无进展迹象。

youdao

Investor calls to split PepsiCo's better-performing snack business from its beverage business could return if there is no sign of improvement.

WSJ: Fizzy Drinks Revenue Goes From Flat to Sour

But according to US government statistics, Afghanistan's dismal rate of infant mortality, a basic indicator of a country's development, has shown no sign of improvement.

NPR: With Vote Looming, Afghans Look for Progress

Even so, fatal accidents, measured by the number of flights, are commonest in Africa and there, in contrast to the rest of the world, no sign of improvement is yet detectable.

ECONOMIST: Africa��s unfriendly skies