见得

to seem / to appear / (in a negative or interrogative sentence) to be sure

to see / to meet / to appear (to be sth) / to interview / opinion / view

to appear / also written 現|现[xian4]

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

not necessarily / not likely

how can one be sure?

not necessarily / that's not sure

(dialect) obviously / clearly