①aloud强调发出的声音能被听见，意思为“出声地”或“大声地”，常用read，call等动词连用。例如：Pleasereadthetextaloud.请朗读一下课文。

②loud意为“响亮地”、“大声”或“高声地”，侧重发出的音量大，传得远，一般多用来修饰speak，talk，laugh等动词。loud还可用作形容词。例如：Speaklouder,please,ornoonewillhearyou.请大声些，否则没人能听见。

③loudly意为“响亮地”，其基本意义与loud相同，还常与ring，knock等动词连用。loudly放在动词前后均可，含有“喧闹”或“嘈杂”的意味。例如：Suddenlythebellonthewallrangloudly.突然，墙上的铃大声地响起来。Readthispassagealoud.朗读这篇文章Cryingaloudforhelp.高声呼救Totranslate,especiallyaloud.口译翻译，尤指口译Hereadthepoemaloud.他高声朗诵那首诗。Hecalledaloudforhelp.他大声叫救命。clearlyandloudly;withouthesitation清晰而响亮地；毫不犹豫地Themusketdischargedloudly.旧式步枪发声很大Thehornblewloudly.喇叭吹得很响。Thedoorbellrangloudly.门铃大声响着。Thechildsobbedloudly.这个孩子大声地哭泣。Shewasloudlydressed.她穿着花俏俗气。Shewasloudlyapplauded.她大受鼓掌赞许。Readslowlyandloudly.读得既要慢些又要大点声音。Asloudlyaspossible.尽可能地响亮