2401
buy off
出钱摆脱、向……行贿、收买
buy off the opposition buy off justice
buy off the judge
buy off the customs offcers
2402
off balance
不平衡
The impact of the blow knocked him off balance.（猛击）
She run so fast that she was off balance.
An unexpected hole in the road caught him off balance.
2403
size up
估量、估计
size up the situation
size up problems
He sized up the situation at a glance.（一眼）
2404
impress
vt.留下深刻印象、使意识到、使钦佩、使铭记、盖印
n.印记
impress the audience
impress the boss as a diligent employee（adj.勤奋的）
2405
impression
n.印象、感想、盖印、压痕
strengthen the impression（加深印象）
the initial impression（第一印象）
leave a good impression on interviewers（给面试官们留下好印象）
2406
odds and ends
零星杂物、琐碎物品
I will buy some odds and ends at that store.
She pieced together odds and ends of cloth.
I threw away a few odds and ends.
2407
price
n.价格、价钱、代价
vt.定价、标价
raise the price of houses
knock the percent off the price
Prices jumped by 60% last year.
2408
hold off
推迟、拖延、阻止、抵挡住
His cold manner holds people off.（n.举止、态度） hold off the enemy's attack
hold off the decision
The rain will hold off till evening.
2409
appreciate
vt.欣赏、赏识、感谢、感激、正确评价、理解、意识到
vi.增值
appreciate works of art appreciate LiBai's poems
appreciate your concern（vt.n.关心、挂念） Your help was greatly appreciated.
I appreciate your problem,but I can't help you.（我理解你的困难，但却爱莫能助）
2410
precious
adj.珍贵的、贵重的
Time is more precious than money.
Real friendship is very precious.
Water is a precious resource.
2411
sign in
（使）签到、（使）登记
Please sign in before entering.
All visitors must sign in on arrival.
They signed in at the reception（接待处） dest.
2412
in no case
无论如何不、决不
I will reveal your secret in no case.
In no case should you forget your task.
In ni case shall you break the rule.
2413
on approval
供试用的商品、包退包换的
I send this to you on approval.
He bought the television set on approval.
take the dress on approval（试穿裙子） The store offers us samples（样品） on approval.
2414
on loan
出借的、暂借的
I have the book on loan from the library.
She has a piano on loan from her friend.
The book you wanted is out on loan.
2415
out of stock
无现货的、脱销的
We are out of stock of this item.
King size jacket is out of stock.
The blue skirts are out of stock.
2416
sign on
签约雇用、签约受雇
He signed on for another six years.
He signed on as a sailor for three years.
I'd like to sign on as cabin boy.（水手）
2417
drill
n.钻头、操练
v.钻、钻孔、打眼、操练
drill into the wall bule drill drill for more oil
military drill fire drill
She had lots of drills in listening.
2418
thrill
v.（使）激动、（使）兴奋
n.激动、狂喜、恐惧
The game thrilled the fans. I was thrilled by your news.
Ggive somebody a big strill
experience the thrill of the game
2419
grill
n.烤架、烧烤餐馆、烤肉、格板
n.烧烤、拷问
Put the steak on the grill. clean the grill before starting a fire
He spent the summer in a downtown grill. The bank clerk looks at others through the grill.
I sometimes grill food outdoors on coals. He was grilled for two hours in police station.
2420
identify
vt.认出、鉴定、把……等同于
vi.认同、体会
identify the customers identify the fake money identify the antique（古董）
identify the object of this sentence identify the cause of the fire identify fault
A witness identifies the criminal
