I could come next week, or the week after.
我可能下週來，或者再下一週。
The first 24 hours after the operation are the most critical.
病人手術後頭24小時是最危險的。
An accurate diagnosis was made after a series of tests.
準確的診斷是在一系列的`檢查後作出的。
The child disappeared from his home some time after four.
這孩子四點多的時候就離家不見了。
The traffic took a long time to clear after the accident.
事故過去後很長時間交通才恢復暢通。