He has a spotless record so far.

他的操行记录至今无任何污点。

《牛津词典》

Lincoln explains that he's earned the title of "trustee" by having a spotless record for almost 30 years.

Lincoln解释说，几乎30年没有任何不良纪录使他赢得了狱方的信任。

youdao

Her conduct in office was unimpeachable and her record is spotless.

他在办公室的行为无可指责而且没有什么不良行为记录。

youdao

Tihar does not have a spotless record either on suicides of prisoners in its custody.

BBC: How did the Delhi gang rape accused die in prison?

Sharing data with Google is a compromise necessary to monetize the site, he adds, arguing that Google has a spotless record for keeping search information private.

FORBES: Ask.com's Search Policy Splits Privacy Groups

Just as antivirus researchers congratulated Apple for keeping the iPhone free of nasty apps five full years after its release, spammers seem to have finally tarnished that spotless record.

FORBES: Researchers Say iPhone Users Hit With App Store's First Ever Spam-Sending App