adj.痛苦的,苦恼的;
v.咬( gnaw的现在分词 );(长时间) 折磨某人;(使)苦恼;(长时间)危害某事物;
例句:
Sorrow is gnawing at her heart.
悲伤折磨着她的心.
Natalie stood beside him, gnawing her lips.
娜塔丽站在他身旁, 咬着嘴唇.
Small as the ants are, they are capable of gnawing away a high mountain.
蚂蚁虽然小, 大山都能咬.