Take care of yourself.
お大事に
Take care on the steps.
階段注意
Take care what you say.
言葉に気をつけなさい
take charge of ...
…を管理する
take children into care
子どもを養護施設に入れる
take cognizance of ...
…を認識する
take [draw, derive] comfort from ...=find comfort in ...
…で自ら慰める
take complaints seriously [badly]
不満を真剣に[悪く]受け取る
take control of ...
…の支配権を得る
take counsel from ...
…から助言を得る