He comes to work twice a week
He comes to work twice a week.
The dining-room is twice as big as the kitchen.
ADV If something happens twice, it happens two times, or there are two actions or events of the same kind. 两次
ADV You use twice in expressions such as twice a day and twice a week to indicate that something happens two times in each day or week. 两次 [ADV ‘a’ n]
ADV If one thing is, for example, twice as big or old as another, the first thing is double the size or age of the second. People sometimes say that one thing is twice as good or hard as another when they want to emphasize that the first thing is much better or harder than the second. 两倍 [ADV ‘as’ adj/adv]
PREDET Twice is also a predeterminer. 两倍 [PREDET ‘the’ n]
PHRASE If you think twice about doing something, you consider it again and decide not to do it, or decide to do it differently. 三思
twice a week 每周两次
think twice 再三考虑；重新考虑
think twice about something 三思而后再决定做某事
think twice about 仔细考虑，重加考虑
at twice adv. 在第二次时；分两次
in twice 分两次
twice over 两倍
I go swimming twice a week.
Balton went broke twice in his career.
We go there maybe once or twice a month.