Sense 1
! Intransitive verb. To be uncertain (kd of).
bi ding Intransitive verb. To be uncertain (kd of) (plural).
Sense 2
2 ding dang Adjective. Unsteady (of bird. aeroplane. etc.).
si (pc:?dj? 'to climb'). Intransitive verb. To increase. To climb. to rise. Transitive verb. To climb. To board. to get on.
bi dl Transitive verb. To increase. To make climb. to make rise.