doubtful point

基本解释

And also he set down every sensible doubtful point.
并且他还记下每一条明显的疑点。
He says:"I feel inside have a doubtful point to feel difficult to understand very much."
他说：“我觉得内中有一个疑点很觉费解。
Verify documents conscientiously, find the doubtful point, should investigate and prosecute in time.
认真审核单据，发现疑点，要及时查处。
niki-study.blog.163.com

Also pulling down the cumulative total was the female-skewing, ratings-light CW, which failed to gain traction with newcomers Melrose Place and the season's first casualty, The Beautiful Life (TBL barely broke the 1 million mark with its second and final episode.) "The prognosis for that network's survival at this point is probably doubtful, " opines Creutz.
FORBES: Television
With around four years to go at that point, it is doubtful that red warning signals were flashing over the 2014 hosts Brazil. (Some may argue that with the test event of a Confederations Cup in 2013 the organizers had less time).
FORBES: Why The IOC Should Be Very Worried About FIFA And Brazil 2014
Whether a Latin American-style strongman would point the economy the right way is doubtful.
ECONOMIST: Could it lead to fascism?