惴惴不安 [- zhuì bù ān][书] be anxious and fearful; be alarmed and on tenterhooks; ill at ease; on pins and needles; feel uneasy; be on tenterhooks; be greatly upset; live in terror and uncertainty; fear and panic:
•¶ 全家都是惴惴不安地又很兴奋地等候“收蚕”。 Uneasy but eager, the whole family waited for the eggs to hatch.