blab

动词 blab:

1. divulge confidential information or secrets
   同义词：spill the beans, let the cat out of the bag, talk, tattle, peach, babble, sing, babble out, blab out
2. speak (about unimportant matters) rapidly and incessantly
   同义词：chatter, piffle, palaver, prate, tittle-tattle, twaddle, clack, maunder, prattle, gibber, tattle, blabber, gabble

1. He blabbed my confidences to every one.
   他把我告诉他的知心话告诉了每个人。
2. She's OK, but she always likes to blab about how successful her husband is.
   她还可以啦，不过她老爱提她老公有多成功。

blab

v.（动词）
blabbed,blab.bing,blabs
v.tr.（及物动词）
To reveal (secret matters) especially through indiscreet or unreserved talk.
泄露（秘密）：尤指从无意或无保留的谈话中泄露（秘密的事情）
v.intr.（不及物动词）
To reveal secret matters.
泄露秘密
To chatter thoughtlessly or indiscreetly.See Synonyms at gossip
瞎说或乱谈参见 gossip
n.（名词）
An incessant or indiscreet talker.
瞎说或乱谈的人
Lengthy chatter.
喋喋不休

来源：
Middle English blabben [to talk foolishly]
中古英语 blabben [愚蠢地谈话]
back-formation from blaberen
源自 blaberen的逆构词

【引伸】
blab.by
adj.（形容词）