上课: to go to class, to attend class, to go to teach a class...
奋斗: to strive, to struggle...
息息相关: closely bound up (idiom); intimately related...
痰: phlegm, spittle...
自责: to blame oneself...
通知: to notify, to inform, notice, notification...
因为: because, owing to, on account of...
失传: (of skills etc) to die out, lost, extinct...
相依为命: mutually dependent for life (idiom); to rely upon one another for survival, interdependent...
他: he or him, (used for either sex when the sex is unknown or unimportant), (used before sb's name for emphasis), (used as a meaningless mock object), other, another...
