Put one wise and Wave a red flag

Wave a red flag and put one wise are semantically related in warn topic. In some cases you can use "Wave a red flag" instead a verb phrase "Put one wise", when it comes to topics like caution that something may happen.

Put one wise and wave a red flag are semantically related in warn topic. You can use "Put one wise" instead a verb phrase "Wave a red flag", if it concerns topics such as caution that something may happen.