a notch on the belt 一个额外的成就/成绩

up a notch 提升一个层次

notch 等级 档次 峡谷 皮带上的孔

take down a notch 降低一个档次，给某人泼冷水

a notch above the rest 比其他人略胜一筹

背专八词汇正好背到这个词了

Here are some phrases and idioms that include the word "notch": 1. A notch above/below – Slightly better or worse than something else. 2. Cut a notch in one's belt – To achieve a notable success or milestone. 3. Notch up – To achieve or score something, often used in the context of achievements or points. 4. Notch below – To be slightly less than someone or something in quality or status. 5. Notch in one's gun – A reference to an old Wild West practice where a gunman would carve a notch in his gun for each person he had killed. 6. Raise the notch – To increase the intensity, effort, or level of something. 7. Top-notch – Excellent or of the highest quality. 8. First-notch – Another way of saying first-rate or top-quality. 9. Notch up another victory – To secure another win or success. 10. Notch on the bedpost – A euphemistic term for a sexual conquest, often used in the phrase "notches on one's bedpost" to refer to a person's number of sexual partners.