兩次

兩次

"Two times" or "twice."

Here, '兩次' indicates the frequency of an action (running) completed within a time frame (yesterday).

我昨天去跑步兩次。

I went running twice yesterday.

In this sentence, '兩次' expresses the number of times a specific event (participating in a competition) occurred.

他兩次參加了這個比賽。

He has participated in this competition twice.

Here, '兩次' is used to describe the recurrence of an error, emphasizing its repetition.

兩次犯同樣的錯誤是不應該的。

Making the same mistake twice is unacceptable.