The conclusion of the book was disappointing.

　　這部書的結尾令人失望。

　　The play was built up to be a masterpiece but I found it very disappointing.

　　那部戲被捧為杰作，可我卻大失所望。

　　Our defeat was expected but it is disappointing nevertheless.

　　我們的失敗是意料中的事，盡管如此，還是令人失望。

　　His latest novel does not disappoint.

　　他最近發表的這部小說沒有使人失望。

　　Midfielder Elliott has shown disappointing form recently.

　　中場隊員埃利奧特近來表現令人失望。