Meaning of 玉にきず(たまにきず) in Japanese

Examples of 玉にきず, 玉に疵, 玉に瑕, たまにきず in a sentence

• 彼女は気が短いのが玉にきずだ。

  A quick temper is the only defect in her character.

• 手八丁口八丁の彼だけど、誠がないのが玉に疵だね。

  He works fast and is very articulate but his insincerity is his biggest defect.