If you should fail, don't lose heart.

My father seemed to be disappointed I hadn't passed the examination.

He gave vent to his disappointment.

He raised our expectations only to disappoint us.

He is discouraged over his wife's death.

He is very depressed.

He is not man to lose heart at a single failure.

Even then he did not allow himself to be discouraged.

The partner was discouraged to his large victory.

His rival was discouraged by his triumph.

His disappointment was obvious to everyone.

She did not let failure discourage her.

She was very down because of the exam result.

Don't let me down.

The candidate was disappointed at the outcome of the election.

The candidate was disappointed at the outcome of the election.

One morning at breakfast we children were informed to our utter dismay that we could no longer be permitted to run absolutely wild.

Everyone could easily see his disappointment.

My mother was disappointed by my failure.