Idioms for today

The hardest thing for non-native speaker to learn English is idioms. Many times I would find that I understand all individual words in a sentence, but have no idea what it means.
I ran into two idioms while reading an article about "articles", and decided to write them down. Hoped by doing so, I will not forget them.
"get by" & "more than meets the eye"
get by:

1. To pass or outstrip.
2. To succeed at a level of minimal acceptibility or with the minimal amount of effort: just got by in college.
3. To succeed in managing; survive: We'll get by if we economize.
4. To be unnoticed or ignored by: The mistake got by the editor, but the proofreader caught it.

   I don't think I could get by without working extremely hard.   

More than meets the eye:

-[there are] hidden values or facts regarding something. There is more to that problem than meets the eye. What makes you think that there is more than meets the eye?

- more interesting or complicated than someone or something appears at first There is more to her death than meets the eye - she was probably murdered. There must be more to him than meets the eye, or else why would she be interested in him?
Usage notes: also used in the form less than meets the eye (not as interesting or complicated as it appears): Unfortunately, with her boyfriend, there is less than meets the eye.

   There is more to writing a blog than meets the eye.