一次

all the time───始终，一直

half the time───一半时间；经常

on the tiles───寻欢作乐

tell the time───报时；会看钟表

to tell the time───告诉时间

force the pace───控制局势；加快速度

once upon a time───从前

to pass the time───打发时间

invest time───花费时间；投入时间

And once the time is up, reward yourself.───当截止时间到了的时候，奖励一下自己。

Chen says they are planning to publish another two textbooks on health and good manners once the time is right.───陈说，一旦时机合适，他们计划出版另两本关于健康和行为的教材。

Once the time slot passes the machine returns to zero-watt mode until it is switched on by its user.───一旦此时间空档过去后，这部机器会回到“零瓦”模式，直到使用者开机为止。

In the modern time, the imperialist powers eyed China covetously. Once the time was ripe, they began to carve up China.───近代，帝国主义列强对中国虎视耽耽。一旦时机成熟，他们就开始瓜分中国。

This base was to build a powerful invasion fleet and return to take over the Earth once the time was right.───在这个基地中，纳粹将要建造一个强大的（飞碟）侵略舰队，并在合适的时机返回并接管地球。

Once the time runs out, players should keep away from the waiting line and take a rest in the free area .───射手结束约定时间后须撤离候射线，可在休息区休息。

Once the time slot passes the machine returns to zero-watt mode until it is switched on by its user.───一旦此时间空档过去后，这部机器会回到「零瓦」模式，直到使用者开机为止。

Once the time grains of sand from the hopper streamer is irreparable.───一旦岁月的沙粒从人的漏斗中流光，那就是无法弥补的了。

In the modern time, the imperialist powers eyed China covetously. Once the time was ripe, they began to carve up China.