She was still half asleep when she arrived at work.

　　她到了上班地點時仍然睡眼惺忪。

　　I can't say for certain when we'll arrive.

　　我說不準我們什么時候能到。

　　He arrived at the solution by a simple process of deduction.

　　他通過一番簡單的'推理得出了解決問題的方法。

　　He's just arrived back from foreign parts.

　　他剛從外地回來。