uncertain
英 [ʌn'sɜːt(ə)n; -tɪn]
美[ʌn'sɝtn]
	    - adj. 无常的;含糊的;靠不住的;迟疑不决的
 
英英释意
- 1. lacking or indicating lack of confidence or assurance;
 - "uncertain of his convictions"
 - "unsure of himself and his future"
 - "moving with uncertain (or unsure) steps"
 - "an uncertain smile"
 - "touched the ornaments with uncertain fingers"
 
- 2. not established beyond doubt; still undecided or unknown;
 - "an uncertain future"
 - "a manuscript of uncertain origin"
 - "plans are still uncertain"
 - "changes of great if uncertain consquences"
 - "without further evidence his story must remain uncertain"
 
- 3. not established or confirmed;
 - "his doom is as yet unsealed"
 
- 4. not firm or secure;
 - "balancing three boxes in an uncertain pile"
 
- 5. not certain to occur; not inevitable;
 - "everything is uncertain about the army"
 - "the issue is uncertain"
 
- 6. subject to change;
 - "a changeable climate"
 - "the weather is uncertain"
 - "unsettled weather with rain and hail and sunshine coming one right after the other"
 
- 7. not safe from danger or mishap;
 - "faced an uncertain future"
 - "an unsure existence"
 
- 8. not consistent or dependable;
 - "an uncertain recollection of events"
 - "a gun with a rather uncertain trigger"
 
- 9. ambiguous (especially in the negative);
 - "she spoke in no uncertain terms"