I don't know her well enough to form an estimate of her ability.

我对她不够了解，无法对她的能力作出评价。

youdao

In the absence of a public market for these securities, it is the responsibility of the fund manager to form an estimate of their value when computing the NAV.

由于缺乏公开市场对这些证券，这是负责的基金经理组成的估计值时的资产净值计算。

youdao

This took the form of an unclassified summary of a new National Intelligence Estimate.

CENTERFORSECURITYPOLICY: Norman Podhoretz receives the Center's Mightier Pen Award