Tā / shuō / tā / hěn / máng / , / yán / xià / zhī / yì / shì / bù / xiǎng / bāng / máng / . / 'ā / nà / mā / nà / gā

他说他很忙，言下之意是不想帮忙。

He said he is very busy, implying he doesn't want to help.