1·He seems confident but deep down he's quite insecure.
他好像很有信心，实际上却没什么把握。
—— 《牛津词典》
2·I have so many friends, but deep down, underneath, I have a fear of loneliness.
我有这么多朋友，但是内心深处我还是有一种对孤独的恐惧。
—— 《柯林斯英汉双解大词典》
3·Deep down I still loved him.
我在内心深处仍然爱着他。
—— 《牛津词典》
4·Like many women, deep down she was unsure of herself.
和许多女性一样，她心底里缺乏自信。
—— 《牛津词典》
5·She can seem stern, but deep down she's a very kind person.
她看上去可能严厉，其实心地非常善良。
—— 《牛津词典》
6·Deep down, she supported her husband's involvement in the organization.
她从内心深处支持丈夫介入这个组织。
—— 《柯林斯英汉双解大词典》
7·I knew deep down that my mom would've loved one of us to go to college.
我深知我妈妈本希望我们中的一个上大学。
—— 《柯林斯英汉双解大词典》
8·He suspected that deep down, she admired him for having the gumption to disagree with her.
他认为，她内心深处其实钦佩他有魄力反对自己的意见。
—— 《柯林斯英汉双解大词典》
9·Chibi made very special sound deep down in his throat to imitate a crow in an old tree in the end.
最后，小不点的喉咙深处发出了一种特殊的声音，以模仿老树上的乌鸦。
10·Some plants store reserves of water to see them through a drought; others send roots deep down to subsurface water supplies.
有些植物储存水分来使它们度过干旱；另一些则把根深深地扎入地下水源。