求之不得

lit. seek but fail to get (idiom); fig. exactly what one’s been looking for

no; not so / (bound form) not; un-

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

(possessive particle, literary equivalent of 的[de5]) / him / her / it

to seek / to look for / to request / to demand / to beseech

must not / may not / not to be allowed / cannot