Always serious and private to the point of secretiveness.

总是严肃且私密到近乎隐秘。

The vast secretiveness of it vibrated to herself.

它巨大秘密震动了她自己。

He had the instinctive secretiveness of the inveterate criminal.

有根深蒂固罪犯能隐秘性。

What I wonder at is, rather your secretiveness than your courage.

我想是你秘密, 而不是你勇气。

It can erode the trust between children and adults, potentially leading to increased secretiveness or rebelliousness.

它会侵蚀儿童和成人之间信任，可能导致隐秘或叛逆增加。

Whenever she was unhappy she felt herself at bay against a pitiless world, and a kind of animal secretiveness possessed her.

每当她不开心时， 她就觉得自己与这个无情世界格格不入，一种动物般神秘感占据了她。