There appeared no imminent danger.

眼前似乎没有危险。

They warned that an attack was imminent.

他们警告说，一场袭击即将发生。

He had no direct involvement in any alleged crimes and was not viewed as an imminent threat to security.

他没有直接涉嫌任何犯罪活动，也没有被视为对公共安全即将造成威胁。