The concept of `绅士` is an imported one, closely mirroring the British Victorian gentleman ideal. It's defined by external polish: etiquette, education, and social conduct. To truly grasp its place in Chinese culture, it's essential to compare it with the native Confucian ideal of the 君子 (jūnzǐ).
In essence, you can learn to *act* like a `绅士`, but you must cultivate your inner character to *become* a `君子`. This distinction highlights the deep-rooted Chinese value of inner virtue over external appearances.
The meaning of `绅士` is highly dependent on context. What you mean and what is understood can be two very different things.
In formal situations or when giving a genuine compliment, `绅士` means “gentleman” in its classic sense. It's a term of high praise for a man's considerate and respectful behavior. e.g., “Thank you for walking me home, you are a true gentleman.”
In online gaming, anime forums, and casual chats, `绅士` is often used sarcastically to mean “pervert.” It stems from the phrase `变态绅士 (biàntài shēnshì)`, or “perverted gentleman.” The idea is of someone who maintains a gentlemanly facade while having lewd interests. In many online communities, simply calling someone a `绅士` is a coded, half-joking way of calling them a “perv.”
The term can also be used neutrally as an adjective to describe a “gentlemanly” style, such as `绅士风 (shēnshì fēng)` (gentlemanly style) in fashion, or an action, like a `绅士的鞠躬 (shēnshì de jūgōng)` (a gentleman's bow).