/tʃest ||; tʃɛst/noun[C] 1 the top part of the front of your body 胸部 ☞picture at body 见body插图
2 a large strong box that is used for storing or carrying things 箱子（用来储存或携带物品） ☞picture on page C7 见C7页插图
get sth off your chest(
informal 非正式) to talk about sth that you have been thinking or worrying about 倾吐心事