stern a.严厉的 n.船尾 be stern with students
futile a.无效的,无用的 a futile life庸碌的一生 a futile remark废话
warfare n.战争(状态) engage in a warfare learn warfare through warfare
harsh a.粗糙的,严苛的 the cloth is harsh to the touch.这布手感很粗糙 harsh reality
mask one' s ignorance掩盖自己的无知 Ignorance of the law is no excuse. in ignorance of
toll n.通行费,死伤人数 impose toll from every passing vessel
plausible a.似是而非的 Such a solution is extremely plausible.
erosion n.腐蚀,削减 contribute to erosion促进风化
blush v.n.脸红 she blushed with shame\indignation
coupon n.券 cash coupon现金券 gift coupon礼品券
dock n.码头 vi.进港,扣 stand in the dock 站在被告喜上 dock one' s pay