have a heart-to-heart talk与某人进行坦率且诚实的谈话，也就是促膝长谈。

【例句】
She called her friend Betty to have a heart-to-heart talk with her about her problems.
她叫上朋友贝蒂，与她促膝长谈了她的种种问题。

Have a heart-to-heart talk with family and find out what the problems are.
与家人倾心交谈，找出问题所在。