flutter noun
1 quick, light movement
ADJ. little
VERB + FLUTTER give His heart gave a little flutter as the ladder slipped a couple of inches.
2 state of nervous excitement
VERB + FLUTTER be in, feel She felt a flutter of excitement. | get in | cause
PREP. in a ~ They arrived in a flutter. | ~ of
You can also check other dicts: flutter (English, 中文解释 ), wordnet sense, Collins Definition