pertain

动词 pertain:

1. have to do with or be relevant to
   同义词：refer, relate, concern, come to, bear on, touch, touch on
2. be a part or attribute of
   同义词：appertain

1. His remark did not pertain to the question.
   他的话同这个问题不相干。
2. Learning the specific set of vocabulary words that pertain to one's business becomes a simple task.
   学习和自己行业有关的这组特殊字汇成为一件简单的工作。
3. It does not pertain to the young to instruct their elders.
   年轻人不应该对老年人发号施令。
4. This letter does not pertain to politics.
   这封信的内容与政治无关。

per.tain

v.intr.（不及物动词）
per.tained,per.tain.ing,per.tains
To have reference; relate:
有关联；关于：
例句：
evidence that pertains to the accident.
与此次意外事件有关的证据

To belong as an adjunct, part, holding, or quality.
附属：作为附属物、部件、所有物或品质属于
To be fitting or suitable.
适合，符合

来源：
Middle English pertenen, pertainen
中古英语 pertenen, pertainen
from Old French partenir
源自 古法语 partenir
from Latin pertinôre
源自 拉丁语 pertinôre
per- [per-]
per- [前缀，表示.通过，穿过.等意]
tenôre [to hold] * see ten-
tenôre [持有，抓住] *参见 ten-