be careful的同義詞是:take care
Be careful with the money and work to a budget .花錢需小心,要按預算辦事。
Be careful-the plates are hot.
當心—盤子燙手。
He said, "Take care, or I will hang you up again." 
他説:“小心點,否則我要再把你們吊起來。”
Who's taking care of the children while you're away?你外出時誰來照料這些孩子
be careful的同義詞
釋義1:小心
be attentive to
be cautious
釋義2:注意
take care
同義詞辨析
be attentive to 當心
指認真地注意地傾聽別人的意見,留心別人的需要等。
be cautious 小心
着重考慮事情的後果,謹慎留意,防止出差錯。
be careful 當心,小心
側重做事謹慎、留心,特別注意一些細節地方。