ADJ [ADJ n](正常尺寸、标准量度的)四分之三的 You can use three-quarter to describe something which is three fourths of the usual size or three fourths of a standard measurement. (正常尺寸、标准量度的)四分之三的
Choose short or three-quarter sleeves for summer.
夏天穿短袖或七分袖的衣服。
...a session which lasted one and three-quarter hours.