Useful phraseological units for communication and passing exams

Phraseological units ( part 1)

A white crow.
Someone unusual, extraordinary; not like others; an outsider.

To well up, to bubble.
To be in full operation; to proceed in a lively manner.

To take something from the ceiling.
To allege something without sufficient factual grounds; to say something without thinking, at random.

To cast a shadow on someone/something.
To put someone or something in a bad light; to cast suspicion on someone; to blacken someone's reputation.

To be on the knives.
To display mutual hostility.

To throw everything into one heap.
To put together, to mix up
indiscriminately; to lump everything together.

To hammer something into someone's head.
To make something completely understood by emphatic repetition; to keep reiterating something to make it stick in someone's mind.

To hang one's nose.
To be crest-fallen, discouraged, despondent; to look dejected.

To take the bull by the horns.
To take up a matter vigorously and promptly getting directly to its essence.