His remark did not pertain to the question.他的话同这个问题不相干.I'm afraid that your remark does not pertain to the question.恐怕你的话与这一问题不相干.It does not pertain to you to instruct him.你不适合教训他....

v.属于，关于，附属，适合...

pertain to的音标：pertain to的英式发音音标为：[pə'tein tu:]pertain to的美式发音音标为：[pɚ'ten tu]...