She felt sure the letter had some hidden meaning.
她確信那封信中有言外之意。
There are fears of a hidden agenda behind this new proposal.
人們擔心這一新提議的背后有不可告人的目的。
I stayed hidden; I couldn't chance coming out.
我躲了起來，不能冒險出去。
He knew the hidden drifts in that part of the river.
他對那段河道中的暗流非常清楚。
I keep my private papers hidden.
我藏起了我的私人文件。