- mass noun moisture exuded through the pores of the skin, typically in profuse quantities as a reaction to heat, physical exertion, fever, or fear汗, 汗水。
- count noun an instance of exuding moisture in this way over a period of time出汗：
even thinking about him made me break out in a sweat.
甚至一想到他都会让我出一身冷汗
we'd all worked up a sweat in spite of the cold.
尽管天很冷, 但我们还是练出了一身汗。
- count noun informal a state of flustered anxiety or distress〈非正式〉焦急; 痛苦：
I don't believe he'd get into such a sweat about a girl.
我不相信他会为一个女孩子这么焦躁不安。
- informal hard work; effort〈非正式〉艰难的工作; 努力：
computer graphics take a lot of the sweat out of animation.
计算机图形使动画变得容易多了。
- in sing. informal a laborious task or undertaking〈非正式〉费力的事, 苦活：
helping to run the meeting was a bit of a sweat.
帮助操办这个会议真是个苦差事。
- 〈主北美, 非正式〉同SWEATSUIT或SWEATPANTS.
- as modifier denoting loose casual garments made of thick, fleecy cotton（用羊毛似的厚棉布做的）宽松休闲服装：
sweat tops and bottoms.
仿羊毛上衣和裤子。
- no obj. exude sweat出汗：
he was sweating profusely.
他汗如雨下。
- with obj.
sweat something out/off
get rid of (something) from the body by exuding sweat通过出汗排除： a well-hydrated body sweats out waste products more efficiently.
水分充足的躯体能更有效地通过出汗排出废物。
- with obj. cause (a person or animal) to exude sweat by exercise or exertion（通过运动或费力）使（人, 动物）出汗：
cold as it was, the climb had sweated him.
尽管天冷, 但爬山仍然使他出了汗。
- (of food or an object) ooze or exude beads of moisture on to its surface（食品, 物体）渗出水分：
cheese stored at room temperature will quickly begin to sweat.
奶酪在室温下储存很快就会向外渗水的。
- (of a person) exert a great deal of strenuous effort（人）拼命干：
I've sweated over this for six months.
为这件事我已经拼命干了6个月了。
- (of a person) be or remain in a state of extreme anxiety, typically for a prolonged period（人）（多指长时间的）处于极度焦虑中：
I let her sweat for a while, then I asked her out again.
我先让她焦虑了一阵, 然后再一次约她出来。
- with obj. US informal worry about (something)〈美, 非正式〉担心：
he's not going to have a lot of time to sweat the details.
他不会有太多时间去担心这些细节问题的。
- with obj. heat (chopped vegetables) slowly in a pan with a small amount of fat, so that they cook in their own juices慢火加少许油在锅里煮（切好的蔬菜）：
sweat the celery and onions with olive oil and seasoning.
用橄榄油和调料慢煮芹菜和洋葱。
- no obj.(of chopped vegetables) be cooked in this way（切好的蔬菜）加少许油慢火煮：
let the chopped onion sweat gently for five minutes.
把切好的洋葱用慢火煮5分钟。
- with obj. and adverbial subject (metal) to surface melting, especially to fasten or join by solder without a soldering iron熔焊（金属）：
the tyre is sweated on to the wooden parts.
轮胎被熔焊在木部件上。
break sweat（或〈美〉 break a sweat）
- informal exert oneself physically〈非正式〉干得汗流浃背。
by the sweat of one's brow
- by one's own hard work, typically manual labour靠自己辛苦劳动（多指体力劳动）。
don't sweat it
- US informal used to urge someone not to worry〈美, 非正式〉别担心。
no sweat
- informal used to convey that one perceives no difficulty or problem with something〈非正式〉一点都不困难; 不必担心：
'We haven't any decaf, I'm afraid. ' 'No sweat.'
“恐怕我们没有脱去咖啡因的咖啡了。”“不用担心。”
sweat blood
- informal make an extraordinarily strenuous effort to do something〈非正式〉累死累活地干：
she's sweated blood to support her family.
她为了养家拼命工作。
- be extremely anxious极度焦虑：
we've been sweating blood over the question of what is right.
我们一直都在就什么是对的这个问题感到极度焦虑。
sweat buckets
- informal sweat profusely〈非正式〉汗如雨下。
sweat bullets
- N. Amer. informal be extremely anxious or nervous〈北美, 非正式〉非常焦虑（或担心）。
sweat it out
- informal endure an unpleasant experience, typically one involving physical exertion in great heat〈非正式〉忍受（痛苦的经历, 多指在炎热的环境中进行的重体力劳动）：
about 1,500 runners are expected to sweat it out in this year's run.
预计大约会有1,500名赛跑者将在今年的比赛中艰苦拼搏。
- wait in a state of extreme anxiety for something to happen or be resolved焦急地等待（事情的发生或解决）：
he sweated it out until the lab report was back.
他焦急地一直等到实验室的报告出来。
sweat the small stuff
- US informal worry about trivial things〈美, 非正式〉为小事担心。