unfailing相关的词根或词缀是: fallfailfault

She fought the disease with unfailing good humor .

她以始终如一的良好幽默感来对抗疾病。

Kant 's theory of things in themselves is an unfailing question for study .

康德的物自体学说是康德研究中一个经久不衰的课题。

I have drawn strength and inspiration from your unfailing support .

我从你们不间断的支持中得到了力量和灵感.

A foolproof identification system ; the unfailing sign of an amateur ; an unfailing test .

可靠的鉴定体系；证明某人是外行的可靠迹象；可靠的测试。

Since he treated us with unfailing courtesy , we couldn 't very well do anything except return it ; approached as adults , we could not show ourselves childish .

因为他对我们总是以礼相待，我们便只有以礼回敬；我们是被当成大人看待的，又怎么能显出孩子气呢。