It wasn't so good as last time.
這次不如上次好。
It's time to put our plan into operation.
現在應該執行我們的計劃了。
By the time you get there the meeting will be over.
等你到了那里的時候，會議就該結束了。
Take as much time as you like.
你想花多少時間就花多少時間。
It was a time of peak demand for the product.
那是對該產品需求最旺的時期。