We became more annoyed by the minute.我们一下子变得愈发恼怒。We were becoming more and more puzzled by the minute.时间每过一分钟，我们的困惑就增加一分。Clients are not charged by the minute but given unmetered access to the Internet for a fixed fee.客户使用因特网不是按分钟收费的，而是交一定费用后就可以不限时上网。