哥哥: elder brother...
不易: not easy to do sth, difficult, unchanging...
功课: homework, assignment, task, classwork, lesson, study...
其间: in between, within that interval, in the meantime...
运转: to work, to operate, to revolve, to turn around...
未来: future, tomorrow, approaching, coming, pending...
交集: intersection (symbol ∩) (set theory)...
话语: words, speech, utterance, discourse...
年纪: age...
流: to flow, to disseminate, to circulate or spread, to move or drift, to degenerate, to banish or send into exile, stream of water or sth resembling one, class, rate or grade...