名詞 gab:

1. light informal conversation for social occasions
   同義詞：chitchat, small talk, gabfest, gossip, tittle-tattle, chin-wag, chin-wagging, causerie

1. Colin should make a good salesman; he's got the gift of the gab and persistence.
   科林應該能成為一名出色的推銷員，他伶牙俐齒而且很毅力。
2. Stop your gab!
   別閑聊了！
3. They've been gabbing (away) on the phone for nearly an hour.
   他們通過電話聊天已經(jīng)快一小時了。

gab

v.intr.（不及物動詞）
gabbed,gab.bing,gabs
To talk idly or incessantly, as about trivial matters.
閑聊：如關于小事的空談或嘮叨
n.（名詞）
Idle talk; chatter.
閑聊；喋喋不休

來源：
Middle English gabben [to scoff, speak foolishly]
中古英語 gabben [嘲笑地說，愚蠢地說]
from Old Norse gabba [to scoff]
源自 古斯堪的納維亞語 gabba [嘲笑地說]

【引伸】
gab.ber
n.（名詞）