還給

to return sth to sb

surname Huan

still / still in progress / still more / yet / even more / in addition / fairly / passably (good) / as early as / even / also / else

to pay back / to return

to / for / for the benefit of / to give / to allow / to do sth (for sb) / (grammatical equivalent of 被) / (grammatical equivalent of 把) / (sentence intensifier)

to supply / to provide

to forget (everything one has learned)