爱好: interest, hobby, appetite...
落后: to fall behind, to lag (in technology etc), backward, to retrogress...
活动: to exercise, to move about, to operate, to use connections (personal influence), loose, shaky, active, movable, activity, campaign, maneuver, behavior...
节约: to economize, to conserve (resources), economy, frugal...
形影不离: inseparable (as form and shadow)...
结婚: to marry, to get married...
典礼: celebration, ceremony...
专业: specialty, specialized field, main field of study (at university), major, professional...
并: and, furthermore, (not) at all, simultaneously, also, together with, to combine, to join, to merge, amalgamate, combine, and, also, together with...
不得了: desperately serious, disastrous, extremely, exceedingly...