"melodic phrase in jazz," 1935 (but said to have been used by musicians since c. 1917), of uncertain origin, perhaps a shortened form of riffle, or altered from refrain. The verb is attested from 1942, from the noun. Also in extended use. Related: Riffed; riffing.
权威例句
1. Rowe does a very clever riff on the nature of prejudice.
罗就偏见的本质讲了一番很精辟的话。
2. Don't bring any riff - raff into my house!
别把不叁不四的人领到我家来!
3. Who let all this riff raff into the room?
谁让这些乱七八糟的东西进来的?
4. Is it only the riff - raff who leave litter about in the parks?
只是那些下层社会的人才会在公园里乱丢东西 吗 ?
5. You can practice this exercise with any riff, solo, or chord change.