vi.
(在水、泥泞或深雪中)挣扎，肢体乱动；踉跄地走(常与about， along， on， through等连用)：
The child was floundering about in the water.
那孩子在水中挣扎。
(因糊涂而)犯错误；笨拙、错乱地说(或做)：
The girl was frightened by the audience and floundered through her song.
这个女孩子被听众吓坏了，因而她唱的歌错误百出。
n.
挣扎，踉跄行走；笨拙而错乱的行