关于

about; regarding; on; for; in; with; to; of; into; after; over; towards; concerning; respecting; re; touching; -wise; thereto; bout; concern; relate; relate to; pertain; pertain to; be about; involve; regard; refer to; deal with; appertain to; relative to; be-; with respect to; pertaining to; in relation to; as for; in regard to; with regard to; in terms of; in the way of; in reference to; with reference to; as regards; in respect of; as far as is concerned

再见

goodbye; bye; see you later; farewell; ciao; cheers; adieu; cheerio; ta-ta; see you; see you again; later; sayonara; au revoir; so long; TTFN (short for ta-ta for now); BFN (short for bye for now)