An agreement was about to be reached when the other side raised new issues.

快要达成协议的时候，对方又节外生枝。

《新英汉大辞典》

An agreement was about to be reached when the other side raised new issues (or caused complications).

快要达成协议时，对方又节外生枝。

youdao

And indeed, CFS advocates on this side of the Atlantic immediately raised that concern.

果然，大西洋这一边的CFS关注者立刻提出了疑惑。

youdao

Michelle Obama was born and raised on the south side of Chicago, Illinois.

VOA: special.2009.01.16

Michelle Obama was born and raised on the South Side.

VOA: special.2009.01.12

Commercials added to both sides, particularly on the short side, which raised their net short position.

FORBES: FOCUS: Speculators Return As Gold Buyers -- CFTC Data

They are thought to be fairly safe, although some experts have raised concerns about side-effects.

BBC: 'Give out statins with junk food'

Being raised on the side of a cliff anywhere tends to favor the strong, sure-footed and stocky, and the environment of the Andes is a particularly punishing place to grow up.

CNN: Takanakuy: The fighting festival of Peru