Vacillator
n. 踌躇;犹豫;动摇
🗣️ 情景例句
It could be most anything, knowing Pete.
任何事情都可能， 你是知道Pete的。
What's the population of China?
中国有多少人口？
Over the years, one may well become a authority on one's hobby and will very probably be asked to give informal talks to little gatherings and then,
一人积了多年经验会成为自己这种爱好的权威，很可能应邀在小型集会上作非正式的讲话。