He often dissipated his energies in trivial matters.

他常在的小事上浪费精力。

This is a matter of no account.

这是一件的事。

That’s something extrinsic to the subject.

那是对本题的。

It is a mere trifle.

那只是的事而已。

By becoming involved with tangential issues, it hopes to hide the real question and keep it out of mind.The ego's characteristic busyness with nonessentials is for precisely that purpose.

它之所以老在的问题上搅和，乃是希望借此避开真正的问题，将它驱逐于心灵之外。