1、sentimental
感伤的;多情的;多愁善感的
I'm trying not to be sentimental about the past.
我努力不让自己表现得感怀过去。
It's a very sentimental play.
这是一部十分煽情的戏。
情感(上)的;(尤指)(出于)怀旧的
Our paintings and photographs are of sentimental value only.
我们的画作和照片仅有纪念价值。
Perhaps he has returned for sentimental reasons.
也许他是出于情感上的原因才回来的。
2、look up
（在参考书、列表等中）查检（事实或信息）
I looked your address up in the personnel file.
我在人事档案里找到了你的地址。
Many people have to look up the meaning of this word in the dictionary.
这个词的意思很多人都要查字典才知道。
拜访，探访，看望（久未见面的人）
I'll try to look him up, ask him a few questions.
我会设法登门拜访，问他几个问题。
She looked up some friends of bygone years.
她去看望了一些过去的老朋友。
改善；好转
Things could be looking up in the computer industry.
计算机行业的情况可能会好转。