thorough inquiry

• 彻底的调查

thorough inquiry的用法和样例：

例句

1. I advise you make thorough inquiry about the enterprise before you embark in it; don't go it blind.
   我劝你在着手参与这个企业之前要打听清楚，别轻率从事。
2. They've promised a thorough inquiry into the plane crash.
   他们答应对这次飞机失事进行彻底的调查。