unsuitable

High-heeled shoes are completely unsuitable for a long hike through a rocky mountain forest.

(Chinese) 高跟鞋完全不适合在多石的山林中进行长途徒步。

The judge ruled that the evidence was unsuitable for the trial because it had been obtained illegally.

(Chinese) 法官裁定该证据不适合在审判中使用，因为它是非法获得的。