have [entertain] some apprehensions 对…有点担心 <for,of>
under the apprehension that [lest] 唯恐,担心.

be quick [dull] of apprehension 头脑敏捷[迟钝],理解力强[弱]
be above one's apprehension 超出某人的理解力
in my apprehension 我以为,在我看来.