Enttäuschung 
sự thất vọng 
disappointment like: sự thất vọng → →
Ich bin wirklich enttäuscht von ihm. ☊ 
Em thật sự thất vọng về anh ta. ☊ (Lektion 61, Nr. 864) Losing the match was a bitter disappointment for the team. ☊ bitter ☊
Book early to avoid disappointment. ☊ book ☊
He found it difficult to hide his disappointment when she didn't arrive. ☊ disappointment ☊
a bitter/major disappointment ☊ disappointment ☊
disappointment to sb: I always felt I was a disappointment to my father. ☊ disappointment ☊
Their frustration needs some form of expression. ☊ expression ☊
The crowd threw up their hands (= lifted them into the air) in dismay. ☊ hand ☊
She struggled to hide her disappointment. ☊ hide ☊
For a minority, the decision was a disappointment. ☊ minority ☊
Anger is often caused by frustration or embarrassment, or a mixture of the two. ☊ mixture ☊
She tried not to let her disappointment show. ☊ show ☊
show sth: Her expression showed her disappointment. ☊ show ☊