In cold blood means deliberately and without emotion. This answer is correct because the expression has a fixed figurative meaning in English. In an SSC idiom question, students should match the whole phrase with its accepted meaning rather than translate each word separately.

• Classroom example: In cold blood can refer to a situation involving deliberately and without emotion.
• Story example: A writer may use In cold blood when describing a situation involving deliberately and without emotion.
• Exam example: When a sentence contains In cold blood, choose the meaning “deliberately and without emotion.”