jabber away
急促且含糊不清地說
They started jabbering away about file systems and lost me completely.
jerk * around
唬弄、刁難 (某人)
He was jerking us around and wouldn't give us the facts.
jerk around
犯傻 (明明不需要或不適合這麼做，偏偏就要這麼做)
They were jerking around during the lecture.
jerk off
浪費時間做瑣碎的事
You should get your work done and stop jerking off.
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