1. little by little：一点点地，渐渐地

　　His fortune is accumulated little by little.

　　他的财富一点点地积累起来了。

　　混淆短语：make little of：不重视

　　Young people nowdays make little of traditional festivals.

　　现在的年轻人都不重视传统节日。

　　2. live on：靠……生活

　　To be honest, I can barely live on my slender salary.

　　老实说，我微薄的薪水只能勉强维持生计。

　　3. live up to：达到，遵循

　　In order to live up to his reputation, he decided to run for Governor.

　　为了不负众望，他决定参选州长。

　　4. lock……out：把……关在外面

　　Mark locked himself out because he left the key in the house.

　　马克把钥匙忘在家里，把自己关在了门外。

　　混淆短语：lock one's fingers together：紧扣手指

　　The locked their fingers together and made a lifelong vow.

　　他们紧扣手指，许下了终身的誓约。

　　5. long for：渴望

　　Longing for a family of his own, he asked Jane to marry him.

　　因渴望有个家庭，他向简求婚了。

　　替换短语：be anxious for：渴望

　　Being anxious for a family of his own, he asked Jane to marry him.

　　因渴望有个家庭，他向简求婚了。

　　6. look down upon：看不起

　　He never looks down upon anyone even though he was born with a silver spoon in mouth.

　　即使他出身富贵家庭，也从未看不起任何人。

　　替换短语：turn one's nose up at：对……嗤之以鼻，看不起

　　He never turns his nose up at anyone even though he was born with a silver spoon in mouth.

　　即使他出身富贵家庭，也从未看不起任何人。

　　7. look for an needle in a haystack：大海捞针

　　Looking for your lost dog in Shanghai is like looking for an needle in a haystack.

　　要在上海找回你丢失的狗，好比大海捞针。

　　替换短语：fish for an needle in the ocean：大海捞针

　　Looking for your lost dog in Shanghai is like fishing for an needle in the ocean.

　　要在上海找回你丢失的狗，好比大海捞针。

　　8. lose control of：失控

　　If we don't cut the office expenses, we will definitely lose control of our budget.

　　如果不减少办公室开销，我们的预算肯定会失控。

　　替换短语：out of control：失控

　　If we don't cut the office expenses, our budget will definitely be out of control.

　　如果不减少办公室开销，我们的预算肯定会失控。