tail away
phrasal verbtail away/off
- (especially British English) to become smaller or weaker
变得越来越小（或弱）；逐渐消失 - The number of tourists tails off in October.
十月份游客人数越来越少。 - ‘But why…?’ Her voice tailed away.
“但是为什么…？” 她的声音细了下去。
- The number of tourists tails off in October.