不稳定地 meaning in English

unsteadily

He drove unsteadily down the road, his eyes blurred with nausea .
他很不稳定地驾驶着车子，因为心头一阵阵泛起的厌腻而使两眼有些发花了。
They lived precariously on the income from a small investment
他们靠著一笔小投资的收入不稳定地过著生活。
As code gets written by programmers , it is placed in the dev tree . this tree is " basically unstable " . programmers are only allowed to check code into dev
因为代码是开发人员编写的，它被放在开发树中。这棵树是“基本不稳定地” 。开发人员只允许签入代码到里面。