early 15c. (implied in indefinitely), from Latin indefinitus, from in- "not, opposite of, without" (see in- (1)) + definitus, past participle of definire (see define).
实用例句
1. He was transferred to Shoal Creek Mental Institution for an indefinite period.
他被转到了肖尔溪精神病院，要在那里无限期地呆下去。
来自柯林斯例句
2. Junior and middle-ranking civil servants have pledged to join the indefinite strike.
基层和中层公务员已承诺要加入到无限期罢工中来。
来自柯林斯例句
3. She will be away for the indefinite future.
她将离开一段时间，期限不定。
来自《权威词典》
4. The store will be closed for an indefinite period.
