tangible adj. 可感知的,实实在在的 (able to be touched or felt) /ˈtanjəb(ə)l/
tangential adj. 实在的,具体的 (easily diverging from a course) / tænˈdʒɛn(t)ʃəl/
conservative adj. 保守的 (believing in the value of established and traditional practices in politics and society; relating to or supporting political conservatism) / kənˈsərvədiv/
converse adj. 相反的 (opposite or reverse) / kənˈvərs/
needle n. 针 (a small, very thin object that is used in sewing and that has a sharp point at one end and a hole for thread) /ˈnēdl/
doodle v. 涂鸦 (to draw something without thinking about what you are doing) /ˈdo͞odl/
peddle v. 叫卖,兜售 (to sell something, usually in small amounts and often by traveling to different places) /ˈpedl/
fiddle n. 欺诈,骗钱行为 (a dishonest way of getting money) /ˈfɪdl/
riddle n. 难题,谜题 (a mystifying, misleading, or puzzling question posed as a problem to be solved or guessed) /ˈrɪdl/