Примеры

get / run into debt - входить в долги;
get into debt - влезать в долги;
get into debts - залезать в долги;
he got into debts. - он погряз в долгах.;
incur a debt, get into debt, go into debt, run into debt, run up a debt, incur debts - влезать в долги, залезать в долги;
to get into debt - влезть в долги;
to run into debt, to get into debt(s); to run up debts - влезать в долги; наделать долгов;