After some to-ing and fro-ing, Elsie and the children moved back to Louisiana.

几番往复后，艾尔西和孩子们搬回了路易斯安那。

《柯林斯英汉双解大词典》

The next pattern is the "I'm ~ing" pattern.

下一个句型是 “I'm ~ing” 句型。

youdao

When you're discussing your situation with a friend, you could tell them that you were doing this by using the "I'm ~ing" pattern.

当你跟一个朋友谈起你的情况时，你可以用 “I'm ~ing” 的句型告诉他们你在做什么。

youdao

We have a lot of to-ing and fro-ing, but not a lot of assassin-ing.

FORBES: Move up http://i.forbesimg.com t Move down

It's been a year of to-ing and fro-ing with no real discernable results in terms of the kind of large scale, fundamental restructuring of the sector that the Minister is demanding.

BBC: Their destiny in their own hands?

The union, in turn, concealed the under-the-table payments and the fact that events it portrayed as "investment seminars" were actually ING-sponsored sales pitches, according to the findings of the attorney general's office.

FORBES: Spitzer's Painful Lesson