To grab the bull by the horns, take control, literally "click the link." Found often in sites translated from a foreign language to English, or perhaps a back-translation from/to English.
1) An narrow opening and vunerable area in one's armor that the opponent will usually aim for. 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.
2) A figurative term for a one's weakness, largest flaw or their prevention of success.
1) Because of the chink in the armor of Sir Lancelot, his opponent was able to break past his defense and inflict a dangerous flesh wound.
2) We would have aced this presentation if Leo wasn't in our group. He didn't study at all, he's the chink in the armor.
1.) A fissure or flaw in a piece of armour that compromises its defensive abilities.
2.) Mistakes made by Asian-American athletes of Chinese or Taiwanese descent during a game that results in a loss for the team.
3.) A racist slur with a double meaning, the use of which under the previous definition can get you fired if you work for a news agency such as ESPN.
Apparently there's a chink in the armor. Jeremy Lin threw 9 interceptions during last Friday's game, costing the Knicks the game. They blew a 7-game winning streak.