YOU SAID:

There were no signs, it came without warning

INTO JAPANESE

兆候があった、それは警告なしに来た

BACK INTO ENGLISH

Came with no warning signs, it is

INTO JAPANESE

警告兆候が付属して、それは

BACK INTO ENGLISH

Comes with warning signs, it is

INTO JAPANESE

警告のサインです。

BACK INTO ENGLISH

It is a warning sign.

INTO JAPANESE

それは、警告のサインです。

BACK INTO ENGLISH

It is a warning sign.