| 切口 | qiē kǒu | incision / notch / slit / gash / margin of a page / trimmed edge (of a page in a book) |  |
| 凹槽 | āo cáo | recess / notch / groove / fillister |  |
| 刻痕 | kè hén | notch |  |
| 凹痕 | āo hén | dent / indentation / notch / pitting |  |
| 更上一层楼 | gèng shàng yī céng lóu | to take it up a notch / to bring it up a level |  |
| 打口 | dǎ kǒu | (of CDs, videos etc) surplus (or "cut-out") stock from Western countries, sometimes marked with a notch in the disc or its case, sold cheaply in China (beginning in the 1990s), as well as Eastern Europe etc |  |
| 刻舟求剑 | kè zhōu qiú jiàn | lit. a notch on the side of a boat to locate a sword dropped overboard (idiom) / fig. an action made pointless by changed circumstances |  |
| 上第 | shàng dì | top notch / highest quality |  |
| 更胜一筹 | gèng shèng yī chóu | superior by a notch / a cut above / even better |  |