名詞 wail:

1. a cry of sorrow and grief
   同義詞：lament, lamentation, plaint

動詞 wail:

1. emit long loud cries
   同義詞：howl, ululate, roar, yawl, yaup
2. cry weakly or softly
   同義詞：whimper, mewl, pule

1. I've lost all my money!' she wailed.
   她哭著說: ｀我的錢都丟了!＇
2. The exhausted mother smiled at the wail of her newborn baby.
   聽到新生兒的哭叫聲，倦極了的母親笑了。
3. The wind wailed in the forest all night.
   風在林子里徹夜呼嘯。

wail

v.（動詞）
wailed,wail.ing,wails
v.intr.（不及物動詞）
To grieve or protest loudly and bitterly; lament.See Synonyms at cry
痛哭：大聲并痛苦地抱怨或反對；悲慟參見 cry
To make a prolonged, high-pitched sound suggestive of a cry:
哀號，嚎啕：發(fā)出象哭一樣的拖長音調的音：
例句：
The wind wailed through the trees.
風穿過樹林發(fā)出似嚎叫的聲音

v.tr.Archaic （及物動詞）【古語】
To lament over; bewail.
哀悼：哀悼；哭著哀悼
n.（名詞）
A long, loud, high-pitched cry, as of grief or pain.
嚎啕聲：長而高聲的叫，如表示悲哀或痛苦
A long, loud, high-pitched sound:
呼嘯：長而大聲的聲音：
例句：
the wail of a siren.
呼嘯的警報聲

A loud, bitter protest:
哀訴：高聲痛苦的訴苦：
例句：
A wail of misery went up when new parking restrictions were announced.
當新的停車規(guī)定宣布后，引起全面的抗議

來源：
Middle English wailen
中古英語 wailen
[probably of Scandinavian origin] ; akin to Old Norse v3la, vôla
[可能于斯堪的那維亞語] ；類似于 古斯堪的納維亞語 v3la, vôla

【引伸】
wail.er
n.（名詞）
wail.ingly
adv.（副詞）