The phrase "a certain sincere" is not correct in English.
It seems to be an attempt to describe someone or something as sincere, but the structure is awkward and unclear.
Example: "She is a certain sincere person who always speaks from the heart."
Alternatives: "a genuinely sincere" or "a particularly sincere".
Even in the book's most regressive I-am-woman, you-are-man moments, Ms. Tiel's remarkable innocence, to all appearances sincere, and a certain daffiness buoy the reader.
We may believe that of a certain idea even the most sincere novelist can make nothing at all, and the event may perfectly justify our belief; but the failure will have been a failure to execute, and it is in the execution that the fatal weakness is recorded.
Suppose I am told by sincere people that a certain belief or thought is false, then I will stop believing it.
Sincere movie stars of a certain age make the commercials believable.
– Ashley Highfield, MD Microsoft UK Consumer & Online via @ashleyhi: "Imitation (however pale) is the sincerest form of flattery: a certain search engine put up the same pic (tulip fields) used on Bing long ago".
To his lawyer, he declared himself "puzzled as to the nature of my misdeed": Sincere books may sometimes have a certain salutary pungency.
To his lawyer, he declared himself "puzzled as to the nature of my misdeed": **{:.break one} ** Sincere books may sometimes have a certain salutary pungency.
Some of those vowing to "explain" the world empirically are sincere: their reverence for data betrays a certain despair among moderates, as they try to construct a canon of basic facts whose meaning right and left may constructively debate.
But he was also a man of great generosity with a sincere gift for friendship, albeit of a certain kind.
John Delury, a scholar of Chinese and Korean history at Yonsei University in Seoul, South Korea, said, "If it's sincere, then it says something about the gullibility of a certain People's Daily editor".
