得而复失

to lose what one has just obtained (idiom)

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

and / as well as / and so / but (not) / yet (not) / (indicates causal relation) / (indicates change of state) / (indicates contrast)

to lose / to miss / to fail

to go and return / to return / to resume / to return to a normal or original state / to repeat / again / to recover / to restore / to turn over / to reply / to answer / to reply to a letter / to retaliate / to carry out

to repeat / to double / to overlap / complex (not simple) / compound / composite / double / diplo- / duplicate / overlapping / to duplicate

variant of 復|复[fu4] / to reply to a letter