心得

what one has learned (through experience, reading etc) / knowledge / insight / understanding / tips / CL:項|项[xiang4],個|个[ge4]

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

heart / mind / intention / center / core / CL:顆|颗[ke1],個|个[ge4]

propranolol (beta-blocker used to treat high blood pressure)