动词 不及物动词：

1.叹气，叹息

2.惋惜；思念(+for)

3.发叹息似的声音；发飒飒声

v. 及物动词：

1.叹息着说出

2.想...而叹气

3.在叹息中消磨（时光）(+away)

n. 可数名词：

1.叹气，叹息

2.叹息似的声音；飒飒声

词形变化

名称sigher

时态sighed，sighing，sighs

英语解释

utter with a sigh

an utterance made by exhaling audibly

heave or utter a sigh; breathe deeply and heavily

a sound like a person sighing