You must gird up your loins for the big exam tomorrow.
gird up one's loins
idiomTo prepare oneself for something demanding.
Origin
disputed originLikely a Hebraism, often used in the King James Bible (e.g., 2 Kings 4:29). Literally referred to the need to strap a belt around one's waist, i.e. when getting up, in order to avoid the cloak falling off; or otherwise before battle, to free the legs for running.
She took a deep breath to gird up her loins before walking into the difficult meeting with her boss.
As the storm clouds gathered on the horizon, the villagers began to gird up their loins for the long and arduous winter ahead.
- 01
abound in one's own sense
To follow one’s own inclinations and opinions.
- 02
ace up one's sleeve
A surprise advantage of which others are not aware.
- 03
act one's age
To behave in a manner appropriate to one's age.
- 04
act one's age, not one's shoe size
Synonym of act one's age (“to behave in a mature manner; to avoid being childish”).
- 05
afraid of one's own shadow
Exceptionally timid.
- 06
air one's dirty laundry in public
To reveal one's sordid secrets to the public.
- 07
air one's dirty linen in public
Synonym of air one's dirty laundry in public.
- 08
albatross around one's neck
A characteristic, possession, associate, or previous deed that hinders one's ability to succeed.
Last updated July 12, 2026