be rather baffling be all adrift be baffled be in a fog for no reason at all for no reason
The person may become dizzy for no apparent reason.
这类人可能会莫名其妙地感到头晕。
—— 柯林斯例句For no reason at all the two men started to laugh.
两个人莫名其妙地开始大笑。
—— 柯林斯例句And then, unaccountably, she giggled.
接着,她莫名其妙地咯咯笑了起来。
—— 柯林斯例句He had an unaccountable change of mind.
他莫名其妙地改变了主意。
—— 柯林斯例句For some inexplicable reason he gave up a fantastic job.
由于某种莫名其妙的原因,他放弃了一份很不错的工作。
—— 给力词典精选