[VP; subj: human]
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⇒ to be in a secure position, have a basis allowing one to feel secure:
- X стоит на твердой почве{{}}≈ X is (standing) on solid (firm) ground;
- X has a firm footing.
♦ Получив постоянную работу, Карпов ощутил, что стоит на твердой почве. Once he got a steady job, Karpov felt that he was on solid ground.
Большой русско-английский фразеологический словарь. — М.: ACT-ПРЕСС КНИГА. С.И. Лубенская. 2004.