a scar on the face; 臉上的瘡疤
We mustn't forget the pain after the wound is healed.; We mustn't forget the bitter past when we are relieved of our suffering. 咱們不能好了瘡疤忘了痛。
牛津高階第八版
美國韋氏詞典
Dictionary.com
Free Dictionary
維基百科 (自由的百科全書)