deal with someone or something very carefully or tactfully
審慎周到（或機智巧妙）地待人處事
(informal)a thing regarded as childishly simple or naive
(非正式)稚氣（或天真）的事情；小兒科
all this was kids' stuff though compared to the directing.
可是同指揮比較起來這都是小兒科。
(Brit. informal)one's younger brother or sister (often used as a form of address)
(英，非正式)小弟弟，小妹妹（常用作稱謂）
come here, our kid.
小弟弟，過來。
used to emphasize the truth of a statement
（用以強調(diào)陳述的真實性）不開玩笑，說真的
no kidding, she's gone.
說真的，她走了。