空谈的英文：
buncombe
burble
chin music
gab
hot air
jangle
phrasemongering
prate
prate about
prittle-prattle
talk
wind
windbaggary

Of,relating to,or characteristic of a person inflexibly attached to a practice or theory.
教条主义的空谈理论的，脱离实际的，教条主义的

He is a practical man and doesn't like empty talk.
他是一个注重实干的人，不喜欢空谈。

The life science is not a Spanish castle. Its courses are quite popular with non-science majors.
生命科学并不是不切实际的空谈，这门课程在非理工科的大学生中很受欢迎。

Idle talk;prattle.
无用的谈话;空谈

I hate gassing about democracy.
我讨厌空谈民主。

He has a speech with moonshine.
他发表了一通荒唐的空谈。

To talk idly or incessantly,as about trivial matters.
闲聊如关于小事的空谈或唠叨

Preachers can talk but never teach, uless they practise what they preach.
说教的人不身体力行，就只能空谈，不能起教育作用。

We are wasting time in talking;let us grasp the nettle and start working.
我们把时间都浪费在空谈上了，让我们面对困难开云贵工作吧。

Then he lays out the agenda quickly and without gassing on and on, a laconic style that few others in the room practice
然后，他没有空谈，而是很快地安排议程，这种简洁精练的方式是其他人很少采用的。

You have yolk on your chin.
你的下巴沾着蛋黄。

The roughness of his chin.
他下巴的粗糙不光滑。

Button up to your chin.
把钮扣一直扣到下巴。