Learner's definition of PLEASE
1
a —
used to ask for something in a polite way请（用于礼貌地请求） -
Please come in.请进。
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Please bring your books with you to every class.请你们每堂课都把书带来。
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Pass the salt, please. = Would you please pass the salt.请把盐递过来。
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I'll have a glass of red wine, please.请给我来一杯红葡萄酒。
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Please don't leave the door open.请别让门敞开着。
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Next, please! = Will the next person please come forward?下一位，请过来！
b —
used to show that a request is serious or important请千万，请务必（用于加强请求的语气） -
Please, God, help us.上帝呀，请一定帮帮我们吧。
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I beg you. Please, don't leave me here alone.我求你了，请千万别把我一个人留在这儿。
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Will everyone please be quiet and listen?请大家安静听，好吗？
2
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used as a polite way of saying yes行，好，谢谢（用于礼貌地表示同意） -
“Would you like some tea?” “Please.”“要喝点茶吗？”“好。”
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“How about a piece of cake?” “Yes, please.”“吃块蛋糕怎么样？”“好，谢谢。”
3
informal —
used to show that you do not agree with or believe something that was said得了吧，算了吧（用于表示不同意或不相信所听到的话） 2 please /ˈpliːz/ verb
pleases; pleased; pleasing
pleases; pleased; pleasing
Learner's definition of PLEASE
1
: to make (someone) happy or satisfied使愉快；使满意；使高兴 [+ object]
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He joined the football team to please his father.为了让父亲高兴，他加入了橄榄球队。
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She enjoys pleasing others.她喜欢取悦别人。
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Her parents were pleased by her decision.父母对她的决定感到满意。
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It pleases me to know that you liked the gift.知道你喜欢这份礼物我很高兴。
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They're very hard/easy to please.取悦他们是件很困难/容易的事。
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You can't please everyone.你无法让每个人都满意。
[no object]
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used in the phrase to please用于短语to please -
She's always been eager to please.她总是渴望取悦别人。
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restaurants that aim to please一心让顾客满意的饭馆
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All of their desserts are sure to please. [=everyone will like them]他们所有的甜点都必定令人满意。
— opposite displease 2
[no object] : to make a choice about what to do, have, etc.喜欢；按意愿 -
Since he no longer lives with his parents, he's able to come and go as he pleases. [=to come and go whenever he wants to]由于他不再与父母同住，他可以来去自由。
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There's no hurry. Stay as long as you please. [=as long as you want to stay]不急。你爱待多久就待多久。
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I can do whatever I please. [=like]我可以想做什么就做什么。
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You can do as you please. [=you can do whatever you want/choose to do]你想要做什么都行。
as you please
British, informal
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used to make a statement more forceful especially when describing behavior that is surprising非常，十分（用于加强语气，尤用于描述令人吃惊的行为）
if you please
old-fashioned + formal 1
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used to make a polite request烦请，如果愿意的话（用于礼貌地请求） 2
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used to express your surprise or annoyance about something居然（用于表达对某事物的惊讶或气恼） -
He insulted her, and then, if you please [=if you would believe it], asked for her help.他羞辱了她，后来居然又找她帮忙。
please yourself
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used to say that you can do what you want to do随你的便；悉听尊便