Deep in my heart have been enshrined some unforgettable scenes, any of which, when emerging into view, never fails to tug at my heartstrings and make them vibrate with feelings that defy description.

在我记忆的深处，珍藏着一些难忘的画面。当我翻拣出它们时，种种难以用文字描述的感慨常波动我的心弦。

These and other condiments can be combined to create dozens of flavors, many of which defy quick description in English.

这些香料和其他调味品可以混合出几十种口味，其中有不少难以很快用英文描述出来。

Liquid propellant combustion processes are quite complicated and defy precise analytical description.

液体推进剂燃烧过程是相当复杂的，很难对其进行严谨的分析描述。