11.brick n.砖；砖块
hit a brick wall / come up against a brick wall 碰壁
12.contribute v.增加；增进；添加（到某物）
contribute to 有助于
13.exclude v.把……排斥在外；防止……进入；阻止……参加
exclude sb. from 拒（某人）于（某地、活动）之外；不包括
14.passion n.强烈情感；激情
have a passion for 酷爱
15.sound adj.明智的；合理的；正确的；可靠的
safe and sound 安然无恙
16.burden n.（义务、责任等的）重担，负担
bear a burden 承受负担
cast one's burden on sb. 把责任丢给某人
drop one's burden 卸下重担
lay a burden on sb. 给某人增加负担
share a burden 分担责任
take up a burden 挑起重担
17.belief n.相信，信心
declare one's belief 表明信仰
have belief in sb. 信任某人
rigid in one's belief 固执己见
secure in one's beliefs 坚守自己的信仰
stick up for one's beliefs 捍卫自己的信仰
shake one's belief in sth. 动摇某人对某事的信念
18.affliction n. 折磨，痛苦
eat the bread of affliction 遭受痛苦
19.species n. 种，物种
strange species 奇特的种类
endangered species频临灭绝的物种
20.discipline n. 自制力；遵守纪律
class descipline 班纪
part descipline 党纪
school descipline校规
corrupt discipline败坏风纪
keep/observer discipline遵守纪律
maintain descipline维持纪律
violate the law and discipline违法乱纪
