不要说了，这件事不用你操心。
bú yào shuō le ，zhè jiàn shì bú yòng nǐ cāo xīn .
Don't say any more，you need not worry about this.
没有必要去操心，孩子已经长大了。
méi yǒu bì yào qù cāo xīn ，hái zi yǐ jīng zhǎng dà le .
It is not necessary to worry about the children since they already are grown up.
