unfailing
英 [ʌn'feɪlɪŋ]
美[ʌn'felɪŋ]
	    - adj. 经久不衰的;可靠的;无穷尽的
 
英英释意
- 1. not liable to failure;
 - "a foolproof identification system"
 - "the unfailing sign of an amateur"
 - "an unfailing test"
 
- 2. always able to supply more;
 - "an unfailing source of good stories"
 - "a subject of unfailing interest"
 
- 3. unceasing;
 - "unfailing loyalty"
 - "unfailing good spirits"
 - "unflagging courtesy"