董事会对首席执行官突然辞职感到震惊。

The board was ___stunned by the CEO's sudden resignation.

我惊愕不已，带着茫然的恐惧目瞪口呆地看着他。

I was ___stunned and gaped at him with blank horror.

评论家们被这位艺术家创新的技巧彻底震撼了。

Critics were utterly ___stunned by the artist's innovative technique.