My Suggestions

wĩmenyererei

v.

  1. be careful. Be careful. An imperative form urging careful attention and caution in one's actions or decisions; emphasizes watchfulness and self-awareness to avoid negative consequences.

Example: Tondũ ũcio wĩmenyererei mũno mwendage Jehova Ngai wanyu. (As for you, take great care to love the L ord , your God.); Ĩndĩ mũngĩrũmana mũkĩrĩanaga-rĩ, wĩmenyererei mũtikananinane inyuĩ ene. (But if you go on biting and devouring one another, beware that you are not consumed by one another.)