确信

• Pinyin: què xìn
• Desglose de hanzi: 确 = 石 + 角 (solid and precise); 信 = 人 + 言 (person + word — trustworthy speech)

Significado

Estar firmemente convencido; estar absolutamente seguro (de algo).

Stronger than 相信, implying certainty arrived at through evidence, reasoning, or personal experience. Typically precedes a clause: 确信…是正确的 (be convinced that...is correct). Used in investigative, scientific, and personal conviction contexts.

Ejemplos

1. 经过多方调查取证，侦探确信这起案件背后另有隐情，绝非表面所见那么简单。
2. 她确信自己当年的那个决定是正确的，从未因此感到过一丝后悔。
3. 尽管外界质疑不断，这位科学家仍确信自己的理论具有重要的学术价值。

Guía de uso

Contexto: investigation, science, personal conviction

Tono: resolute

Correcto

• 经过反复核实，调查组确信这批财务数据存在系统性造假行为，随即将调查结果上报主管部门。(After repeated verification, the investigation team was firmly convinced that this batch of financial data involved systematic fraud, and immediately reported the findings to the supervisory authority.)
• 他确信只要坚持正确的方向，无论途中遇到多少阻碍，最终都能实现自己的目标。(He was firmly convinced that as long as he maintained the right direction, he would ultimately achieve his goals no matter how many obstacles he encountered along the way.)

Incorrecto

• 我确信这道菜好吃 — use 我相信这道菜很好吃 or 我肯定这道菜不错; 确信 implies conviction based on evidence or experience, so using it for casual food preferences sounds absurdly overstated

Origen e historia

确 (certain/firm) + 信 (believe/trust) — to firmly believe something without a shadow of doubt

Contexto cultural

Generación: All ages

Contexto social: Universal