[accord with rules] 合乎情调、规矩
这对双胞胎唱歌都不入调。
Neither twin can sing in tune .
中唐诗歌是中国诗歌由唐音入宋调的关键。
Middle Tang poetry played an important part in Tang Tone being changed into Song Tone .
货价已按四舍五入法调高为整数。国际私法调整对象和范围之理论初探
The prices of the goods have been rounded up . On the Object and Scope of Private International Law