房间里一片寂静，所有人都一动不动地站着。

The room was completely silent, with everyone standing ___still.

尽管已经解释了很多遍，他仍然不明白。

Even after many explanations, he ___still doesn't understand.

她感冒了，但仍然坚持去上班。

She had a cold, but ___still insisted on going to work.

虽然这个房间很安静，但图书馆里更安静。

This room is quiet, but the library is ___still quieter.