The government was accused of trying to introduce the tax by stealth.

有人指责政府想不事声张地开征这种税。

He once helped me by stealth.

他暗地里帮助过我。

The two lovers meet only by stealth.

那两个情人只是偷偷地会面。

'Why did you slip away by stealth like this?

“你为什么要这样偷偷地溜走呢？”

The two lovers had met only by stealth.

那两个情人只是偷偷地会面。