主心骨

主心骨 [zhǔ xīn gǔ]

1. ■ （可依靠的人或事物） backbone; mainstay; pillar:

父亲死后， 儿子就成了这个家庭的主心骨。 After the father's death the son became the mainstay of the family.

---

常用词组

1. ■ （主见） definite view; one's own judgment:

她没有主心骨。 She has no definite view of her own.