1. little by little：一点点地，渐渐地
His fortune is accumulated little by little.
混淆短语：make little of：不重视
Young people nowdays make little of traditional festivals.
2. live on：靠……生活
To be honest, I can barely live on my slender salary.
3. live up to：达到，遵循
In order to live up to his reputation, he decided to run for Governor.
Mark locked himself out because he left the key in the house.
混淆短语：lock one's fingers together：紧扣手指
The locked their fingers together and made a lifelong vow.
5. long for：渴望
Longing for a family of his own, he asked Jane to marry him.
替换短语：be anxious for：渴望
Being anxious for a family of his own, he asked Jane to marry him.
6. look down upon：看不起
He never looks down upon anyone even though he was born with a silver spoon in mouth.
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.
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.
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.
8. lose control of：失控
If we don't cut the office expenses, we will definitely lose control of our budget.
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.