渐如人生浮历，走时似而非又似非。

Gradually like life floating calendar, travel time may not also seemed non.

youdao

这种似非而可能是的论点由传统的例子就足以得到证明。

This kind of not but probably yes talk point from traditional example be good enough to get certificate.

youdao

他似醒非醒。

He hovered on the edge of consciousness.

《牛津词典》

The leaves are about to fall but they haven't yet fallen.

这些叶子似坠非坠。

耶鲁公开课 - 弥尔顿课程节选

But I think this is rather an implausible suggestion because, of course, you could have these glorious views just by going up in the airplane and looking down from the safety of your airplane.

但我认为这是个似是而非的建议,因为，当然，你可能只是坐飞机向上飞,并安全地向下看,就会有这些迷人的视野。

耶鲁公开课 - 死亡课程节选