Table of Contents

dòngjī bù chún: 动机不纯 - To Have Impure Motives, Ulterior Motives

Quick Summary

Core Meaning

Character Breakdown

When combined, 动机 (dòngjī) literally means the “moving mechanism” or the “engine of action”—your motive or motivation. Adding 不纯 (bù chún), “not pure,” creates the full meaning: the motivation behind an action is tainted, mixed with selfishness, or not genuine.

Cultural Context and Significance

In many Western cultures, particularly American culture, acknowledging self-interest can be seen as pragmatic or simply “good business.” The phrase “What's in it for me?” is direct and often acceptable. In contrast, Chinese culture traditionally places a higher value on sincerity (诚心, chéngxīn) and actions that appear to benefit the group or maintain social harmony. Accusing someone of 动机不纯 is therefore more than just saying they have an “ulterior motive”; it's a moral judgment. It implies they are putting on a false front, which disrupts trust, a cornerstone of any strong relationship (关系, guānxi). While a Westerner might say, “I suspect he has a hidden agenda,” which focuses on the strategic aspect, a Chinese speaker saying “他动机不纯” (Tā dòngjī bù chún) is passing judgment on the person's character, labeling them as insincere and potentially untrustworthy. This reflects a cultural emphasis on knowing why people do things and valuing genuine, pure-hearted intentions over clever, self-serving strategies.

Practical Usage in Modern China

This is a common but serious accusation. It's used in various contexts where trust is being questioned.

In Relationships

It's often used to question a potential partner's intentions. A common fear for wealthy or successful individuals is that a suitor might be with them for their money or status, not for love. e.g., “我怀疑他对你动机不纯,他总是问你家里的生意。” (I suspect his motives for being with you aren't pure; he's always asking about your family's business.)

In the Workplace

An overly helpful colleague might be viewed with suspicion. Are they genuinely helping, or are they trying to steal a project, gain favor with the boss, or make you owe them a favor? e.g., “他突然对我这么好,我感觉他动机不纯。” (He's suddenly being so nice to me, I feel like he has an ulterior motive.)

In Social and Public Commentary

Netizens and commentators often use 动机不纯 to question the actions of celebrities, corporations, or public officials. For instance, a company making a large “charitable” donation right after a scandal might be accused of having impure motives—doing it for PR, not out of genuine goodwill.

Example Sentences

Nuances and Common Mistakes