v (1)叹息(气)(take a long，deep-sound breath showing sadness，sorrow，tiredness，relief or satisfaction，etc)[I，I+prep (with)]：We heard Mary～. 我们听到玛丽叹息。Are you～ing because you are sad? 你是因为忧愁在叹息吗?～with relief/pleasure/weariness 宽慰地舒口气/高兴地舒口气/疲倦地叹口气;〖同〗groan，moan，sob;

(2)叹息地说(express or utter sth with a sigh)[T+n]：The poor woman is～ing her prayers. 那个可怜的女人悲叹着祈祷。

(3)(风)呼啸声((of the wind) make a sound like this)[I]：The wind～ed the treetops. 风刮过树梢发出阵阵呼啸声。

sigh for (v prep)思念(vt)(fml)：She～ed for home/friends/her youth. 她思念家乡/朋友们/青春岁月。

n 叹息(声)(act or sound of sighing)[C]：breathe/give/heave/utter a～发出一声叹息;a～of relief/sadness 松了一口气/悲伤地叹息