Harpers Ferry was built on a narrow finger of land where the Shenandoah River flowed into the Potomac.

VOA: special.2009.06.25

And what we know is that very often we enter a downward spiral, a vicious cycle when we go into this narrow and constrict mode.

我们知道经常会进入下行螺旋，一个恶性循环，当我们进入狭窄收紧的模式。

哈佛公开课 - 幸福课课程节选

Its heart is a silicon chip containing several channels that narrow into a funnel.

FORBES: Health

An attempt to make contact with the trapped miners was unsuccessful Friday, when a microphone lowered into a narrow hole drilled into a mine cavity detected no sounds.

CNN: Camera lowered into mine cavity shows 'survivable space'

David Cameron has, so far, only called for accountability at Barclays to go the very top and for a narrow inquiry into the management of LIBOR - the inter-bank lending rate.

BBC: Banking �C stand by for an inquiry