we have good reasons to believe that it is quite acceptable to say 「no」 at a proper time .
临摹:我们非常有理由相信,在适当的时候说「不」是一个值得肯定的说法。
the first meeting of the council is expected to take place at a proper time in the near future.
中国银监会将抓紧进行各项準备工作,在适当的时候尽快召开国际咨询委员会第一次会议。
being late, please enter the auditorium at a proper time to avoid interrupting others.
迟到的观众请适时入场,不要妨碍他人观看演出。