sur/sur⁵³/v动go bad; be rancid馊| vngza suur ri.The food has gone bad.饭馊了.
sv-/sə³¹/, /sɑ³¹/v动causative表示使动| gyoq nasvbreeng luung.You made the clothing tear.你把衣服弄破了.| sa- is used before two-syllable and already prefixed verbs. Related to archaic Proto-Tibeto-Burman causative. sa- 用在双音节动词(包括其他语法前缀)前. 来自藏缅语的使动前缀.
sv'eup/sə³¹ɯp⁵⁵/vt及物动be suffocated with smoke使被(烟)呛;熏> eup
sv'ip/sə³¹ip⁵⁵/1vt及物动put to sleep使睡觉2v动lay away保留> ip₁| (First Township) svgyeup/sə³¹ɟɯp⁵⁵/
sv'mlaq/sə³¹mlɑʔ⁵⁵/vt及物动cause to swallow使咽;吞> mlaq