?很乖

... as cool as a cucumber 镇定自若（看到这个差点没让我笑喷…） as good as gold （小孩）很乖（这比喻真不错，就是有点俗…） as green as grass 稚嫩的（这跟cucumber那个短语是一个思路…） ...

?一诺千金

【在(一诺千金(As good as gold))的大作中提到：】

?十分可靠

十分可靠(as good as gold), 此释义来源于网络辞典。

?完美

... give a glance 看一眼 green grass 绿色的草 as good as gold 完美，难能可贵 ...