blow hot and cold 忽冷忽热、反复无常、摇摆不定、犹豫不决、出尔反尔、三心二意、翻云覆雨、喜怒无常
blow hot and cold on/about something
该习语源自《伊索寓言·森林之神与旅人》Aesop's Fables: The Man and the satyr：一天天气严寒，森林之神（Satyr）在林间碰见一个旅人，便邀他到山洞里小坐。路上，不解世情的森林之神问旅人为什么频频对手呵气，旅人说是为了取暖。到了山洞，森林之神拿热汤招待旅人，旅人把汤凑到嘴边吹。森林之神问这又是为了什么，旅人说是要把汤吹凉。森林之神听后马上下逐客令，说：
I will have no part with a man who can blow hot and cold from the same mouth.我不想跟一张嘴一会说要热一会又要冷的人来往。后来，人们就用 blow hot and cold 来表示反复无常、态度时冷时热或三心二意。请看：
She blows hot and cold, so I can never tell if she really loves me.
她对我忽冷忽热的，所以我根本不知道她是否真的爱我。
Hard to tell. She blows hot and cold one day to the next, so I can never tell how she really feels!
很难说，她反复无常，所以我永远不知道她想想什么。
She blows hot and cold; I am not sure she's that into me.她对我忽冷忽热，我不确定她到底喜不喜欢我。
I really like him, but I'm confused. He seems to blow hot and cold - one minute he likes me, and the next, he's ignoring me!
我真的很喜欢他，但我很困惑。他好像拿不定主意，前一分钟他喜欢我，下一分钟他就不理我了！
Mark has been blowing hot and cold about our vacation plans, so I'm not sure if he's really interested in going or not.
克对我们的假期计划忽冷忽热，所以我不确定他是否真的想去。
My girlfriend blew hot and cold about going ti the cinema.
我女朋友对去看电影一事拿不定主意。
The media, meanwhile, has blown hot and cold on the affair.
同时，媒体对这件事的态度表现得忽冷忽热。
He's a man given to blowing hot and cold; you just can't tell what he's standing for.
他这个人翻云覆雨，弄不清他究竟主张什么。
Tom keeps blowing hot and cold on studying aboard.
汤姆在出国留学这件事上一直犹豫不决。
He keeps blowing hot and cold about immigrating to Canada.
他对移居加拿大一事始终拿不定主意。
He keeps blowing hot and cold on the question of moving to another country.
在关于搬到另一个国家的问题上，他一直反复无常。
The manager keeps blowing hot and cold on whether to hire new staff.
这个经理总是对招聘新职员这事摇摆不定的，下不了决心。
The boss has been blowing hot and cold about whether or not we're going through with this project. I wish she would just make a decision.
在关于是否通过这个项目上，老板一直反复无常，我希望她能够做一个决定。
Why are you blowing hot and cold simultaneously? Tell me clearly whether you want to go with it or not.
你为什么总是拿不定主意？清楚地告诉我你是否愿意。
I don't think it's fair when people blow hot and cold, and don't tell you clearly what they want.
当有人拿不定主意，并且不能准确地告诉你他们的需求时，我认为是不公平的。
His enthusiasm for his work blew hot and cold.
在工作上他总是忽冷忽热有冬有夏。
In our many dealings with the police,we have found that they can blow hot and cold.
在我们多次和警察打交道的过程中，我们发现他们可能出尔反尔。
It is terrible that the policymarker will blow hot and cild about everything.
决策人对什么事情都是犹豫不决的话是很糟糕的。
You keep blowing hot and cold about going on holiday, but we need to book the tickets soon.
你一直对去度假的事情忽冷忽热的，但我们马上就得订票了。
The US has backtracked on its commitments in the China-US economic and trade consultations.
美国在中美经贸磋商中出尔反尔、不讲诚信。
Some people can make up their minds right away, but others blow hot and cold.
一些人能当机立断，可另一些人就老是犹豫不决。
