Don't use `术` by itself: The most common mistake for a learner is to try to use `术` as a standalone word for “skill.” You cannot say “我有一个术” (wǒ yǒu yí ge shù). Instead, you must use a compound word. To say “I have a skill,” you would say “我有一门技术” (wǒ yǒu yì mén jìshù).
`术 (shù)` vs. `艺 (yì)`: `术` is the technique, method, and science. `艺 (yì)` is the art, craft, and talent. They often combine, as in `艺术 (yìshù)`, but they focus on different aspects. A `技术员 (jìshùyuán)` is a technician, while an `艺术家 (yìshùjiā)` is an artist.
`术 (shù)` vs. `法 (fǎ)`: Both can mean “method.” However, `法 (fǎ)` is broader, often referring to a law, principle, or a general method (e.g., `语法 yǔfǎ` - grammar; `方法 fāngfǎ` - method). `术 (shù)` is more specific, concrete, and technical—a particular “how-to” for a specific task. Surgery is a `术`, not a `法`.