That has no relation to the matter under discussion.

那与正在讨论的事无关。

youdao

That has nothing to do with the matter under discussion.

这和讨论的问题没有关系。

youdao

It will have a direct bearing on the matter under discussion.

这将和正在讨论的问题有直接关系。

youdao

The reason is that these various catastrophists are quite simply ignorant on the matter under discussion.

FORBES: But Every Generation Does Indeed Exhaust Its Mineral Reserves

In the chamber, that sounded too much like a process issue, with little direct relevance to the matter under discussion.

BBC: 'Playing the man, not the ball'

Her sex is seldom considered irrelevant to the matter under discussion.

ECONOMIST: Titled English writers