[Chinese Learning] At Best?

Teacher Chen Da prefers to use the word At best.
At best, means 顶多、充其量.

For example: I just came to Singapore, at most it is a new person.
A few days ago, I went to the choa chu kang public library to read books. "
I don't think the composition I wrote is new. It can only be done at best.
Of course, this word is also often found in international news reports!

For example: Recently published job reports show that U.S.employment picture remains murky at best,"

Ok, the word we are learning today is at best