任意にんい捜査そうさ

nin'isōsa

1. Not random investigation.; Not discretionary investigation.

1. Was voluntary investigation.

1. Arbitrary investigation of

1. Random investigation of; Arbitrary investigation of

1. Not a voluntary investigation.; Not an optional investigation.

1. It's not a voluntary investigation.; It's not an informal investigation.

1. Was voluntary questioning.; Was discretionary investigation.

1. Voluntary investigation.

1. Not a random search.; Not an arbitrary investigation.

1. Wasn't a voluntary investigation.; Wasn't investigated voluntarily.

1. Probably random investigation.

1. Was not a voluntary investigation.; Was not an informal investigation.

1. Wasn't a voluntary investigation.; Wasn't investigated voluntarily.

1. Probably a voluntary investigation.

1. Was not a voluntary investigation.; Was not an informal investigation.

1. If/when arbitrary investigation…; If it were an arbitrary investigation…

1. If arbitrary investigation; When arbitrary investigation

1. If/when arbitrary investigation