1.
to rebuild, to reconstruct
To build again something that has fallen down or been destroyed.
地震で壊れた家を立て直した。
I rebuilt the house that was destroyed by the earthquake.
古い神社を立て直す計画がある。
There is a plan to rebuild the old shrine.
台風で倒れた塀を立て直さなければならない。
We have to rebuild the fence that was knocked down by the typhoon.
2.
to restore, to revive, to turn around
To restore something (business, finances, health, etc.) to a good state after it has declined.
会社の経営を立て直す必要がある。
We need to turn around the company's management.
体調を立て直すために休んでいる。
I'm resting to recover my health.
生活を立て直すために新しい仕事を探し始めた。
I started looking for a new job to rebuild my life.
TRANSITIVITY: 他動詞 (transitive).
CONJUGATION (godan): 立て直す → 立て直さない → 立て直した → 立て直して
COMPOUND VERB: 立てる (to build, to stand up) + 直す (to fix, to redo)
COMMON OBJECTS:
- 経営を立て直す (turn around management)
- 生活を立て直す (rebuild one's life)
- 体調を立て直す (recover one's health)
- 計画を立て直す (revise/redo a plan)
The 〜直す pattern indicates doing something over again or redoing it properly.