I found it rather disappointing.

我觉得它相当令人失望。

youdao

youdao

This meal is rather disappointing.

这顿饭真让人失望。

youdao

Having magisterially analysed the problem, the report is rather disappointing when it comes to solutions.

ECONOMIST: Why equity markets have forgotten their function

Then there is the pollsters' rather disappointing record in some of the key elections that have taken place since 1997.

ECONOMIST: Labour feels confident, but the polls are not to be trusted

There have been a great many arguments leveled against the rather disappointing ending(s) of Mass Effect 3 in the past few weeks.

FORBES: The Better Business Bureau Weighs in on Mass Effect's 'False Advertising'