如何使用 "uncertain" 造句

1. Were they uncertain of what to say ?
他们不确定要说些什么吗?
2. The race to full recovery is likely to be long , hard and uncertain .
迈向全面复苏的过程,很可能是漫长、艰难而不确定的。
3. How this incredible transformation will end remains uncertain .
这场惊人的变局会如何收场还是个未知数。
4. Buyer 's remorse is common , especially in an uncertain market .
所以买方的抱怨是常见的,尤其在现在这样一个不稳定的市场上。
5. The impact on voters is nuanced and uncertain .
这对选民的影响微妙不定。