英语翻译：
lose one's spirits; sing the blues
例句：
- 牙医在工作的时候，是往嘴里瞧／垂头丧气。
A dentist at work in his vocation always looks down in the mouth.
分词翻译：
垂的英语翻译：
droop; hand down; loll
头的英语翻译：
beginning or end; cobbra; conk; crumpet; end; first; garret; hair; head
leading; nob; noddle; pate; sconce; side; top; twopenny
【医】 capita; caput; cephal-; cephalo-; head; kephal-; kephalo-
丧气的英语翻译：
be unlucky; dampen; feel disheartened; lose heart