painfulKK [ˋpenfəl] /ˈpeɪnfəl/形容詞1疼痛的、痛的My knee is still painful after the long hike.走了那麼長的山路後,我的膝蓋還是很痛。2痛苦的、令人難受的Talking about her childhood brought back painful memories.談到她的童年,勾起了許多痛苦的回憶。3艱難的、費力的Learning a new language can be a slow, painful process.學一門新語言可能是個緩慢又艱辛的過程。4糟糕的、慘不忍睹的口語His performance last night was honestly painful to watch.老實說,他昨晚的表演真的讓人看不下去。