a. 梦想不到的, 意外的

[ adj ]
not imagined even in a dream
<adj.all>

Undreamed \Un*dreamed"\, Undreamt \Un*dreamt"\, a.
Not dreamed, or dreamed of; not th?ught of; not imagined; --
often followed by of.

Unpathed waters, undreamed shores. --Shak.