matter of opinion
Something that may or may not be true; something that people do not all agree on.
Нечто, что может быть правдой, но может оказаться и ложью; что-то о чем люди не договорились.
Whether or not he was a good general is a matter of opinion.
It is a matter of opinion as where to house the new art gallery.
Это спорный вопрос где разместить новую галерею искусств.
mean business
To decide strongly to do what you plan to do; really mean it; be serious.
The boss said he would fire us if we didn't work harder and he means business.
When she went to college to study, she meant business.
He just liked the company of the other girls he dated, but this time he seems to mean business.
melt in one's mouth
To be so tender as to seem to need no chewing.
The chicken was so tender that it melted in your mouth.
To taste very good; be delicious.
Mother's apple pie really melts in your mouth.
melting pot
A country where different nationalities mingle and mix with the result that, in the second generation, most people speak the main language of the country and behave like the majority.
It is no longer considered entirely true that the United States is a melting pot; many immigrants speak a second language.
mercy killing
The act of killing a terminally ill patient or animal in order to avoid further suffering.
Mercy killing of humans is illegal in most countries, yet many doctors practice it secretly.
method in one's madness
A plan or organization of ideas hard to perceive at first, but that becomes noticeable after longer and closer examination.
We thought he was crazy to threaten to resign from the university but, when he was offered a tenured full professorship, we realized that there had been method in his madness.
mince words
To choose words carefully for the sake of politeness or deception.
I like people who speak frankly and truthfully without mincing words.
mind like a steel trap
A very quick and understanding mind, which is quick to catch an idea.
Henry is not fond of sports, but he has a mind like a steel trap.
A successful lawyer must have a mind like a steel trap.