有时候

Sometimes things have to fall apart to make way for better things.

有时候要到达谷底，才会慢慢变好。

You must have noticed how tired he sometimes looks.

你一定注意到他有时候显得特别疲惫。

"Well," he conceded, "I do sometimes mumble a bit."

“嗯，”他承认道，“我有时候说话的确有点吐字不清。”

Sometimes they tell me I´m just a glorified waitress.

他们有时候对我说我只是个女招待，只不过称呼好听一些罢了。

There are times when I sit down and have a good weep.

有时候我会坐下来痛痛快快地哭一场。