Senses
难得/ 難得 rare
hard to come by; precious or valuable due to its scarcity
难得/ 難得 seldom
rarely or infrequently; happens only on a few occasions
难得/ 難得 fortunate
lucky or commendable; used to express that something is a pleasant surprise or shows rare kindness
难得/ 難得 unbelievable
(sarcastic) unbelievable; used to mock someone for lacking even basic knowledge or common sense