88．focus on聚集于，集中于
Focus your attention on your work． 89．set foot in／on踏上，走进
Never set foot on our property again． 90．hang up挂上电话；挂起来
After she finished her conversation，she hung up． Lester hung up his hat and coat． 91．hunt for寻找
What do you hurt for? 92．know about了解
I happened to know about him． know of听说，知道有
He said that he knew of a hotel that might suit him 93．1ay down放下
The general told the troops to lay down their arms． 94．1eave alone别动，别管，让??单独呆着 Thank you，but leave me alone，please． 1eave out遗漏；忽视，不理会 Don’t leave me out，please． 95．1et alone更不用说
I couldn’t afford to rent a house like that，let alone buy it let down使失望
I won’t let him down in any way 96．1ight up照亮，点燃
The searchlight lit up the whole area． throw light upon阐明，使??清楚
Perhaps you can throw some light on these 97．be lost in埋头于，迷失在??中 We were lost in the forest 98．take notice of注意
Don’t take any notice of what he says． 99．object to反对
Do you object to such simple pleasures? 100．be occupied with／in忙于，从事于 He was occupied in writing letters． 101．occur to被想到
That view of the case did not occur to me before 102．operate on为??动手术
You can’t get a private doctor to operate on him． 103．pass away去世
He passed away at eighty． pass by经过，流逝，忽视
He had a feeling that his friends were passing him by pass on传递，传给，去世
The news was passed on by word of mouth 104．reach for伸手去拿
Sam reached for his gun． reach out伸出
David reached out and took down a small leather-bound book． 105．react to反应，反对
How did he react to the news?
106．remember?to代向??问好 Remember me to your family! 107．rise up起立，起议
The people finally rose up and dethroned(废黜)the unpopular monarch． 108．round up把??聚拢
Round up the rest of the flowers． 109．seek after／for追求，征求，寻求 What did you seek for? 110．serve as担任，充当
Tom served for twelve years as a soldier． 111．shut up闭嘴，关门，打烊 Shut up !
112．slow down减慢，减速，慢下来
Slow down when you come to the main road． 113．spread out展开，铺开，延伸 Spread out your fingers． 114．stare at盯着，凝视
The little girl stared at the toys in the window． 115．supply sth．to／for向??提供
The school supplies books for the children． 116．suspect sb．of怀疑某?? I suspect him of killing the girl． 117．sweep away冲走，卷走，扫除 The dust has all been swept away． 118．tear down拆除
Did they tear the building down? tear up撕碎，连根拨起 I'm afraid I’ve torn it up． 119．tell apart区分，辨别
The teacher could not tell the twins apart． 120．tidy up整理，收拾
She decided to tidy up the upstairs rooms．