oar n.桨;划手 vi.划
oath n.誓言,誓约,宣誓
obedience n.服从,顺从;管辖
obedient n.服从的,顺从的
obligation n.义务,职责,责任
oblige vt.使感激;施恩惠于
obscure a.阴暗的;蒙昧的
obstinate a.固执的;顽强的
occurrence n.事故
offence n.犯罪,犯规;冒犯
offensive a.冒犯的;进攻的
offspring n.儿女,子孙,后代
opaque a.不透明的;不传导的
opium n.鸦片;麻醉剂
optical a.光的;光学的
option n.选择,取舍
optimism n.乐观,乐观主义
optimum n.最适条件,最适度
orchard n.果园
orchestra n.管弦乐队的全部乐器
orientation n.向东;定位;方向
oval a.卵形的 n.卵形
oyster n.牡蛎;沉默寡言的人
To wind someone up 捉弄、惹恼某人
Knock your socks off 叹为观止
Passion and enthusiasm 两个词的区别
Football and soccer 两个词的区别
Dirt cheap 非常便宜
Burn a hole in your pocket 一有钱就想花
At each other’s throats 唇枪舌战地争吵
Accountability, liability and responsibility 的区别
Butterfly numbers drop a mystery, say experts 英国蝴蝶数量下降现象令专家费解
Objective and purpose 目标和目的
Have your feet on the ground 脚踏实地
Retailer, wholesaler, distributor, outlet 几个词的区别和用法
Labour, labourer, workforce, worker 与“工作”相关的四个单词
Emperor/empress 和 king/queen 的区别
At sixes and sevens 乱七八糟
So far 的用法
Different types of ‘tissue’ 不同种类的“纸巾”
Shopping for ‘shoes’ 不同种类的“鞋”
Infer vs conclude 两个易混词
Been to vs gone to 语法辨析
To hit it off (with someone) 一见如故
Almost, nearly, more or less “差不多”的三个近义词
To pop the question 求婚
Armed to the teeth 全副武装
Lose one's shirt 输得一干二净
Strapped for cash 手头紧
Dictionary and other words 与“词典”相关的近义词
Pull your socks up 加把劲儿
Fan the flames 煽风点火
Practical and pragmatic “实用的”两个词的区别
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