connected with your emotions, rather than reason情感的（而非理性的）
He has a strong sentimental attachment to the place.他对该地方有强烈的感情依恋。
She kept the letters for sentimental reasons.她把那些信留作纪念。🔊🔊
The ring wasn't worth very much but it had great sentimental value.那枚戒指值不了几个钱，但却极有情感价值。🔊🔊
(often disapproving)producing emotions such as sympathy, romantic love, or being sad, which may be too strong or not appropriate; feeling these emotions too much（失之过度或不恰当地）伤感的，充满柔情的；多愁善感的
a slushy, sentimental love story庸俗缠绵的言情小说
Her book is honest without being sentimental.她的书很老实，没有多情。
He's not the sort of man who gets sentimental about old friendships.他不是那种为旧日的友情唏嘘感伤的人。🔊🔊
You, crying at a film! You must be getting sentimental in your old age!你，在看电影时哭！您一定在晚年变得多愁善感！