1. 叫喊;大叫;嚷嚷
If you holler, you shout loudly.

e.g. The audience whooped and hollered...
观众又是欢呼又是叫嚷。
e.g. 'Watch out!' he hollered...
“小心！”他大叫道。

noun

1. a very loud utterance (like the sound of an animal)

e.g. his bellow filled the hallway

Synonym: bellowbellowinghollaholleringholloholloaroarroaringyowl

2. a small valley between mountains

e.g. he built himself a cabin in a hollow high up in the Appalachians

Synonym: hollow