be/get in over your headto be or get involved in something that is too difficult for you to deal with 卷入处理不了的事 In business, start small and don’t get in over your head. 在生意方面，从小的做起，不要贪大。
be/get in over your head• How loan scams operate How homeowners get in over their heads with home equity loans: 1.• We had a feeling they might get in over their heads and they did.
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