不定期
Traditional form:
不定期
Pinyin (reading):
bùdìngqī
Definitions:
- non-scheduled
- irregularly
Characters:
- 不 - no, not, un-; negative prefix
- 定 - to decide, to fix, to settle; to order; definite, fixed, sure
- 期 - a period of time; date, time; phase
Traditional characters: