You can refer to a level on a scale of measurement or achievement as a notch .
例句
Average earnings in the economy moved up another notch in August...8月份這個國家的平均收入又上了一個臺階。In this country the good players are pulled down a notch or two...在這個國家，優秀選手的水平降了一兩個檔次。
VERB
(尤指體育比賽中)贏得，獲得
If you notch a success, especially in a sporting contest, you achieve it.
例句
Steve Bull notched his 200th goal for Wolves as they beat Leicester 3-0...史蒂夫·布爾為狼隊攻入了他的第200粒進球，他們以3比0擊敗了萊斯特隊。The President is keen to notch a political triumph that would foster freer world trade and faster economic growth.總統渴望獲得政治勝利，以促使世界貿易更為自由，經濟發展更為迅速。
N-COUNT
V形槽口;圓形切口
A notch is a small V-shaped or circular cut in the surface or edge of something.
例句
They cut notches in the handle of their pistol for each man they shot.他們每殺一個人就在槍托上刻下一個V形記號。
英英詞典釋義
Adjective
1. notched like a saw with teeth pointing toward the apex
2. having an irregularly notched or toothed margin as though gnawed