6.now you're talking<非正式>这就对了；正合我意
7.talk about … !<非正式>(to emphasize example)这才叫…！可真是…！
Took us quite a while to get here, didn't it? Talk about Fate moving in a mysterious way!我们用了很长时间才走到今天这步, 是吧？这就叫命运难测啊！
8.to talk big
(boast)说大话；吹牛
9.talking of …
(to introduce new topic)谈及…；说到…
Talking of films, have you seen Amélie?说到电影, 你看过《天使爱美丽》吗？
10.to talk in terms of sth
(as possibility)谈到…的可能性
(using particular terms)从…方面讲话；用…语言讲话
Her sons talk in terms of depression, brain tumour, rare diseases; her physician talks in terms of old age, her home, her own room.她儿子从抑郁、脑肿瘤、罕见病这几方面入手讲解；她的医生从年纪大、她的家庭环境、她自己的房间入手讲解。
11.to talk sb's language
(communicate well with sb)说某人能听懂的话