用得着

to be able to use; useable; to have a use for / (in a question) to be necessary to

to use / to employ / to have to / to eat or drink / expense or outlay / usefulness / hence / therefore

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

to obtain

(chess) move / trick / all right! / (dialect) to add

to touch / to come in contact with / to feel / to be affected by / to catch fire / to burn / (coll.) to fall asleep / (after a verb) hitting the mark / succeeding in

aspect particle indicating action in progress

to wear (clothes) / to contact / to use / to apply