美 [daʊn ɪn ðə maʊθ]
情绪低落的：形容情绪沮丧或消沉的状态。
low in spirits
同义词： blue / depressed / dispirited / down(p) / downcast / downhearted / low / low-spirited
... down in the dumps 愁眉苦脸 down in the mouth 愁眉苦脸 down payment 分期付款的定金 ...
回家后自然垂头丧气(be down in the mouth)，老婆Jessie看到了，就问到底发生了什么事情。我告诉老婆一个有着啤酒肚(beer belly)的家伙在火车上把我手机偷了。
... by word of mouth口头上 down in the mouth沮丧，情绪低落 from the horse mouth（指劝告，情报等）来自直接参与者的，从可靠的人那里获得 ...
沮丧的(down in the mouth), 此释义来源于网络辞典。
垂头丧气；沮丧的
He was down in the mouth because he missed his train.
他因为没赶上火车而闷闷不乐。
Because he looks down in the mouth.
因为他总是往嘴里看。
Since her dog died, Susan has been down in the mouth.
苏珊的狗死了后，她一直愁眉苦脸的，闷闷不乐的。
If this should happen, the speaker might feel down in the mouth.
VOA : special.2010.06.20
Occasionally he grimaces, as if he were biting down on the golden flames in his mouth.
The biopsies can be done through an endoscopy, in which a fiber-optic tube is placed in the mouth and down into the small bowel or through some even less invasive procedures.
Visitors Hull KR received a boost before kick-off, both with the signing of Australian international Willie Mason and the news that rivals Hull FC had gone down to defeat earlier in the day to set up a mouth-watering Humberside derby play-off clash next weekend.