I saw his right arm swing up.

我看见他挥起右臂。

youdao

When he jumped off, he threw the swing up to his sister.

他跳下来，把秋千扔给了妹妹。

youdao

First, a fuzzy logic control ensures smooth and fast swing up control.

首先用逻辑模糊控制实现快速平滑的摇起；

youdao

One possibility is that the jet streams that normally hit the west coast straight on will instead swing up into Alaska and dive down the coast, bringing along cold arctic winds with it.

CNN: La Nina spawns extreme weather

Warren White of the Scripps Institution of Oceanography in La Jolla, California, and his colleagues were the first to find that sea-surface temperatures across the globe swing up and down in a 10-to 12-year period that lags behind the solar cycle by two to three years.

ECONOMIST: The earth��s climate

One vital weapon in his arsenal was President Clinton who, like Vice President Biden, crisscrossed the swing States right up till Election Day to secure every possible vote in a tight electoral race.

FORBES: The Magic of President Clinton And How You Get It