tā / zhǐ / duì / zhè / mén / xué / wèn / qiǎn / cháng / le / yī / xià / bìng / méi / yǒu / shēn / rù / yán / jiū他只对这门学问浅尝了一下,并没有深入研究。He only dabbled in this field and did not study it in depth.