bow out . dissociate；disengage 放弃；退出
He decided to bow out now instead of fighting to keep his position．他决定放弃这个职位，而不再为之奋斗下去。
He bowed out of the semifinals when he hurt his leg．他的一条腿受了伤，退出了半决赛。
bow to . 向…鞠躬
All the people in the court bowed to the queen when she entered．女王进来时，宫中所有的人都向她鞠躬致意。
bow to . obey；comply with；be defeated in a contest 服从；屈从；败于
I will bow to the decision of the committee though I disagree with it ．我虽然不同意委员会作出的决定，但我还是会服从的。
He bowed to his opponents in the semifinals．他在半决赛中败于对手。
break away . come apart；come into pieces破裂；裂开
The wings of the plane broke away in midair，so the plane crashed．机翼在半空中裂开，所以飞机失事了。
break away . escape；rebel 逃跑；反叛
The criminal broke away from the policemen．罪犯从警察手中逃走了。
I imagine he will try to break away．我想他会设法逃跑。
break away . end one's connection with脱离（社团、政党等）；断绝关系
The state has broken away from the union．这个州已经脱离了联邦政府。
He broke away from his family and went abroad．他与家庭断绝了关系，到国外去了。
break away . get rid of；abandon 放弃；解除
You should break away from such bad habits．你应该改掉这样的坏习惯。
We must break away from convention and adopt as many advanced techniques as possible．我们必须打破常规，尽量采用先进技术。
break down . destroy；reduce something to pieces. 毁掉；打破
The police broke the door down．警察破门而入。
break down . crush；defeat镇压；制服
They broke down all opposition．他们压倒了所有的对手。
break down . stop functioning 坏了；出毛病（尤指发动机、机器等）
The car broke down on the way to the airport．车子在去机场的路上抛锚了。
The lift broke down，so we had to walk up the stairs．电梯坏了，我们只好走上楼去。
break down . fail to carry out；come to nothing失败（指无结果中断计划、谈判等）；坚持不下去
The plan was good，but it broke down，because people were unwilling to cooperate．计划是好的，但由于人们不愿合作，还是失败了。
I expect the negotiations to break down soon．我预料谈判不久就会中断。
break down . burst into tears；lose control 禁不住痛哭；（身体、精神）垮了
When he heard his sentence，the man broke down．听到判决，那人不禁号啕大哭。
Your health will break down if you work too hard．太劳累的话，你身体会垮的。
He tried to cope with the ever increasing burden of his work，but finally he broke down and had to take a complete rest．他设法应付日益加重的工作负担，但最后身体垮了，不得不全休。
break down . separate into parts；take apart；analyse 分解；分析
Water can be broken down into hydrogen and oxygen．水可以分解为氢和氧。
I want you to break this data down．我想请你分析一下这个资料。
break in . 闯入
A thief broke in during the night and stole all his money．盗贼夜间闯了进来，偷走了他所有的钱。
Many students broke in the door of the burning laboratory．许多学生破门进入失火的实验室。
break in .interrupt 插嘴
Don't break in when your teacher is speaking．当你的老师说话的时候不要插嘴。
While I was explaining my point of view，he broke in to argue with me．正当我在解释我的观点时，他插进来和我争论。
break in .train；tame 训练
The horse has been well broken in．这匹马受过良好的训练。
That PLA man is much noted for his skill in breaking in horses．那个解放军战士以善于驯马而出名。
break in .help adjust； 使适应新工作；使新物品逐渐合用
I'll give you an easy job just to break you in to the work．先让你干点容易的事情，以便适应工作。
Our new teachers are breaking in well．我们的新教师正在逐渐适应工作。
He is broken in to the new work．他已经适应了新的工作。
These new shoes are hurting me．I'll be glad when they are broken in．这双新鞋穿上紧脚不舒服，等穿到合脚时我会很高兴的。
break into . divide 分成
Alice broke the chocolate into pieces，one for each person．爱丽丝把巧克力分成小块，每人一块。
break into .enter by force 闯入
The policeman found that the house had been broken into and a quantity of jewellery stolen．警察发现有人闯入室内，盗走一批珠宝。
The thieves planned to break into the bank．小偷预谋闯进这家银行。
break into .burst into；begin suddenly 突然…起来
Jack broke into laughter．杰克突然大笑起来。
at this point even the interpreter broke into weeping．到这时连翻译都哭泣起来了。
break into .interrupt 打断
Don't break into their conversation；they are discussing something important．不要打断他们的谈话，他们正在讨论重要的事情。
break into .open and consume；occupy 启开和动用（储存物品）；侵占；占用
He has broken into the money he has saved for long．他已动用他长期积蓄的钱。
They were so hungry that they couldn't help breaking into their emergency supplies of food and water．他们饿极了，不得不动用应急食物和饮水。
I can't take on any extra work；my spare time has been broken into far too much as it is．我不能再承担任何额外的工作，就现在这样我的业余时间已经占用得过多了。
Housework has broken into a lot of my time．家务事已占用了我很多时间。