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。
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。
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。
The private tutor threw up his hands three weeks after he was hired to coach the boy, who had shown no sign of improvement.
私人教师在被雇来辅导这个男孩后三周后失去信心，因为孩子毫无进步的迹象。
The private tutor threw up his hands three weeks after he was hired to coach the boy, who had shown no sign of improvement.
私人教师在被雇来辅导这个男孩后三周后失去信心，因为孩子毫无进步的迹象。
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