Look around (phrasal verb)

●To visit a place and look at the things in it.

　　（觀光，四處看看）

Examples:

1.She spent the afternoon looking around the town.

2.When we went to Boston, we only had a couple of hours to look around.

Exploit (verb)

●To use something in a way that helps you.

（利用， 有效地使用）

Examples:

1.We need to make sure that we exploit our resources as fully as possible.　　

2.The increased globalisation of the commodity trading business is something we must exploit.

Incumbent (adj.)

●(Of an official or regime) currently holding office.

（現任，在任的）

Examples:

1.It is difficult to defeat an incumbent governor.　　

2.The incumbent president faces problems which began many years before he took office.

Not give/care a damn (idiom)

●To be not interested in someone or something.

（不在乎，不關心）

Examples：

1.I don't give a damn what he thinks of me!　　

2.The beginning was so boring, I really didn't give a damn what happened in the rest of the movie.

In one's heart of hearts (idiom)

●In your most secret and true thoughts.

（內心深處，真實想法）

Examples：　　

1.It's a wonderful job offer, but in my heart of hearts I don't want to leave this area.　　

2.I didn't want to believe it, but in my heart of hearts I knew that it was true.