If I am not available when you call, leave a message.

你打电话来时如果我不在，请留个言。

youdao

While I am willing to help, I do not have much time available.

尽管我愿意帮忙，但是没有多少时间。

《牛津词典》

It will take a lot of funding to restore it, and I am not sure it'll be made available, which would be a pity.

这需要很多资金去修复，并且我不是很肯定可以得到资金，这个太遗憾了。

youdao

"I am under contract with Stade Francais until June 2009 and I am therefore not available, " he said.

BBC: Juan Martin Hernandez

'I'm in the UK but I am being told that content is not available in my territory'.

BBC: Your guide to the BBC Embedded Media Player

If Kullander and Essen are not available, I am happy to agree with you on two other individuals of similar expertise to attend the new demonstration as the judges.

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