参加考试
1.to take an exam; to go in for an examination; to attend an examination; to enter for an examination; to sit for an examination
参考材料－.reference material
参考书－1.a reference book; a book of reference; a reference work; a work of reference; a study companion
参考书目－1.a list of reference books; a bibliography; a reference list
参考书书架－1.a reference shelf
管教－1.to teach; to discipline; to take sb. in hand

闲话－1.complaints
2.gossip; scandals; tales
3.chitchat; tattle
4.digression
5.[Formal] to talk casually about; to chat about