היא אמרה שיש לה מה להעלות לאתר, ולכן היא נשארה במשרד עוד שעה.

In Hebrew, possession is usually expressed with יש ל־ rather than with a separate verb meaning to have.

So:

• יש לה = she has
• literally, there is to her

This is a very common Hebrew structure:

• יש לי זמן = I have time
• יש להם מכונית = They have a car

In the past and future, Hebrew changes יש:

• היה לה = she had
• יהיה לה = she will have

So שיש לה is a normal way to say that she has.

Word by word, it is roughly:

• ש־ = that
• יש = there is / there are
• לה = to her
• מה = what
• להעלות = to upload

So the literal sense is:

that there is for her what to upload

But natural English is:

that she has something to upload

This is a good example of how Hebrew and English often package the same idea differently.

Because Hebrew usually does not do the same kind of tense backshifting that English often does in reported speech.

English often says:

• She said she had something to upload.

But Hebrew commonly says:

• היא אמרה שיש לה...
• literally, She said that she has...

This can still refer to what she said at that time. Hebrew often keeps the tense closer to the original statement.

If you say שהיה לה, that can sound more clearly like:

• she said that she had something to upload
• or that at that past time she had it

So שיש לה is very natural here.

Here מה + infinitive means something to ... or what to ....

So:

• מה להעלות = something to upload / what to upload

This is a very common pattern in Hebrew:

• יש לי מה לעשות = I have something to do
• אין לי מה לומר = I have nothing to say
• יש להם מה לאכול = They have something to eat

Even though מה literally means what, in this pattern it often corresponds to English something.

Both can work, but יש ל־ מה + infinitive is a very common and idiomatic Hebrew pattern.

So:

• יש לה מה להעלות = she has something to upload

This sounds very natural.

יש לה משהו להעלות is also possible, but it feels a little less like the standard fixed pattern. Often מה + infinitive is the more idiomatic choice after יש ל־.

Compare:

• יש לי מה לקרוא = I have something to read
• יש לי משהו לקרוא = I have something to read

Both are understandable, but the first is especially common.

להעלות means to upload, but its more basic/literal idea is to raise, to bring up, or to cause to go up.

It comes from the root עלה, related to going up.

A useful comparison:

• לעלות = to go up / to rise
• להעלות = to raise / to bring up / to upload

In modern Hebrew, להעלות לאתר is a standard way to say to upload to a website.

Because ל־ does several different jobs in Hebrew.

In this sentence:

• לה = to her
• להעלות = to upload
  Here ל־ marks the infinitive, like English to in to upload
• לאתר = to a website / to the website

So even though they all begin with ל־, they are not the same kind of word.

Because the meaning is upload to the website, not upload on/in the website.

Hebrew usually uses ל־ for the destination or target:

• להעלות לאתר = to upload to the website

But if you are talking about something already being there, you would use ב־:

• זה מופיע באתר = It appears on the website
• קראתי את זה באתר = I read it on the website

So:

• לאתר = to the site
• באתר = on/in the site

In unpointed Hebrew writing, לאתר can represent either one.

That is because:

• לְאתר = to a website
• לָאתר = to the website

But without vowel marks, both are written לאתר.

So you normally tell from context whether it means to a website or to the website. In real-life Hebrew, this kind of ambiguity is very common.

Hebrew often repeats the subject at the start of a new clause, especially after a long clause and before a result word like ולכן.

So this is very natural:

• היא אמרה ש... ולכן היא נשארה...

You could also say:

• היא אמרה ש... ולכן נשארה...

because the verb נשארה already shows feminine singular.

But repeating היא makes the sentence clearer and smoother, especially in a standalone sentence.

עוד שעה here means:

• another hour
• one more hour

So:

• היא נשארה במשרד עוד שעה = She stayed in the office for another hour.

Hebrew often uses a bare time expression like this for duration:

• חיכיתי שעה = I waited an hour
• נשארנו עוד שעתיים = We stayed another two hours

So no extra preposition is necessary.

ולכן means:

• and therefore
• and so
• therefore

It makes the cause-and-result relationship explicit:

• she said she had something to upload, therefore she stayed another hour

Compared with other options:

• ו־ = and
• אז = so / then, usually more conversational
• לכן = therefore
• ולכן = and therefore / so

So ולכן sounds a bit more explicit and slightly more formal than אז.

Because the subject is היא = she.

In the past tense, Hebrew verbs change for gender and number.

Here:

• אמרה = she said
• נשארה = she stayed / remained

If the subject were masculine singular, you would have:

• הוא אמר שיש לו מה להעלות לאתר, ולכן הוא נשאר במשרד עוד שעה.

So:

• אמרה / נשארה = feminine singular
• אמר / נשאר = masculine singular

A simple transliteration is:

Hi amra she-yesh la ma leha'alot la-atar, ve-lakhen hi nish'ara ba-misrad od sha'a.

A slightly more natural English-style guide might be:

hee ahm-RA sheh-YESH lah mah leh-ha-ah-LOT lah-ah-TAR, veh-lah-KHEN hee nish-ah-RAH bah-mis-RAD od shah-AH

This is only an approximation, but it can help you hear the structure of the sentence.