n. an utterance expressing pain or disapproval
v. indicate pain, discomfort, or displeasure
n. 呻吟, 叹息
vi. 呻吟, 抱怨, 受压迫
vt. 呻吟地说
1. I heard him groan when he realized he forgot his homework.
我听到他在意识到忘记带作业时发出呻吟声。
2. She let out a groan after running up the stairs.
她在跑上楼梯后发出了呻吟声。
3. The movie was so boring that I couldn't help but groan.
这部电影太无聊了，我忍不住发出了呻吟声。