难以理解的（形容词）

(adjective) Describing something which cannot be understood; completely baffling.

EXAMPLE: The foreign government’s complex and unfathomable import regulations creates frequent trade misunderstandings.

这个政府的复杂而难解的进口管制规则经常造成贸易上的误解。

to handle someone with kid gloves

谨慎处理

(IDIOM) To deal with something or someone with extreme caution and delicate care in order to avoid unpleasant results. (NOTE: “kid gloves” are made from the soft skin of a “kid” or young goat)

EXAMPLE: My brother gets angry easily so I have to handle him with kid gloves when I ask him to do something for me.

我的兄弟容易发怒，所以我在请他为我做事时不得不小心说话。