A rapid alternation between a written note and the one above it in music

• Usually marked tr in notation

音乐中在一个音与其上方相邻音之间的快速交替

• 谱面上常用 tr 标记

A consonant produced by rapid repeated contact at the place of articulation

• As in the Spanish rr sound

通过在发音部位快速反复敲击形成的辅音

• 如西班牙语的 rr

A short, high, warbling cat sound used in friendly greeting

猫在友好打招呼时发出的短促、高频、颤动的叫声

To produce a trill in singing or on an instrument

• To roll the r sound
• To quaver or sound with rapid vibrations

在演唱或演奏中发出颤音

• 把 r 音卷舌颤发
• 以快速振动的声音发声

Authentic and respected; truly real (slang)

真实可靠、受人尊敬的；很真（俚语）