難得

seldom / rare / hard to come by

difficult (to...) / problem / difficulty / difficult / not good

disaster / distress / to scold

to obtain / to get / to gain / to catch (a disease) / proper / suitable / proud / contented / to allow / to permit / ready / finished

structural particle: used after a verb (or adjective as main verb), linking it to following phrase indicating effect, degree, possibility etc

to have to / must / ought to / to need to