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chink up (something)

To fill in or patch narrow openings, such as cracks or fissures (chinks), of something. We live in an area that experiences a lot of earthquakes each year, so we've gotten pretty good at chinking up the walls of our house.
See also: chink, up

chink in one's armor

Fig. a special weakness that provides a means for attacking or impressing someone otherwise invulnerable. (Alludes to an opening in a suit of armor that allows a weapon to penetrate.) Jane's insecurity is the chink in her armor. The boss seems mean, but the chink in his armor is that he is easily flattered.
See also: armor, chink

a chink in somebody's armour

  (British & Australian) also a chink in somebody's armor (American & Australian)
if someone or something which seems to be strong has a chink in their armour, they have a small fault which may cause them problems She's a brilliant businesswoman, but her lack of political awareness may be the chink in her armour.
See also: armour, chink

chink in one's armor

A vulnerable area, as in Putting things off to the last minute is the chink in Pat's armor and is bound to get her in trouble one day . This term relies on chink in the sense of "a crack or gap," a meaning dating from about 1400 and used figuratively since the mid-1600s.
See also: armor, chink
References in classic literature ?
Does a Chink ever want to ride a horse, hell-bent for election an' havin' a good time of it?
But this year, he has addressed the problems and you'd be hard pressed to find a chink in Chelsea's armour.
Whelan said: "If any Englishman says he has never called a Chinaman a chink, he is lying.
Smith made little secret by saying that Australia believes it can expose a significant chink in the tourists' armour by attacking the England spinner, the report said.
THERE is a chink of light among all the economic gloom and doom .
Reverie As I gazed at the flames of the fire, I recalled for the first time in years, The long toasting fork made of brass wire And the child in me fancies she hears That sweet chink of the knife on the plate As it cut through the butter before Being rasped across toast which we ate Up in relays eager for more.
If we take a minute to be reflective, To put our worries into true perspective, We may often find a chink of light Or a way to put a wrong to right.
He now wants to manoeuvre the age-old voting system and scheme for a chink in the armour to favour a future Labour Government.
I want a story so sugary that no chink of real life could penetrate its sentimentality.
This could be the first chink into the armor of the virus," he adds.
When we sit together and chink glasses, the sound is like our church bells, a symbol of harmony and good cheer," said Roiderer.
Local first--timer Baun Mah adopted Michael Moore's tongue-in-cheek style with his sardonic A Chink in the Armour, which skewers every Asian stereotype from bad drivers to math geniuses to martial artists.
Title rivals McLaren and Williams, who both use Michelin tyres, will be looking to take advantage of this possible chink in Ferrari's armour.
Another chink in the wall is the recent rule change in the National Association for College Admission Counseling's (NACAC) standards of practice for admission plans, which now will not allow colleges with EA plans to in any way restrict students' applications to other colleges.
The relief around the ground was obvious and Derby now have a chink of light in their battle to beat the drop.