sit tight
phrasal verb

- if you sit tight, you remain in the same place or situation and do not take any action, usually because you are waiting for something to happen.

Collins Dictionary

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ORIGIN

First documented in the 18th century, this may be an allusion to birds sitting quiet and still when threatened by a predator.

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TOO TIGHT TO SIT

Actress Dinah Shore once attempted to claim several dresses as business expense deductions, prompting the IRS to investigate. Shore insisted that the gowns had only been worn onstage during public appearances.

In what has come to be known as the “Dinah Shore ruling”, the IRS agreed that a dress may be deducted as a professional expense — but only if it is too tight to sit down in!

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SYNONYMS

hold on, lie low, stay put, bide your time, lie in wait, keep your shirt on, hold your horses

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PRACTICE OWAD in an English conversation, discuss something like:

“In situations of uncertainty, it’s difficult to decide whether to act, or SIT TIGHT and wait and see what happens.”

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Paul Smith