Dry nails crack and split more easily than nails that are well hydrated (well-moisturized).

比使成水化合物得好的钉子更容易地的干钉子裂缝和劈开。

youdao

He turns around and watches the crack split the blackboard in two.

他转过身去，看着裂缝把黑板分成两半。

youdao

Dry, brittle nails that frequently crack or split have been linked to thyroid disease.

干、脆甲症常表现指甲裂开或劈开，与甲状腺疾病有关。

youdao

She knew that if she did her life would split open and she would slip through the crack.

NEWYORKER: Temporary

The title, Fissure, can refer to a crack in a rock, the split between the two hemispheres of the brain and the separation of two people.

BBC: Theatre director seeks change of scenery