zhi put away the cup after taking a tiny sip—be satisfied with superficial(/just a smattering of) knowledge; not go into a subject in depth; not willing to delve into a subject;scratch the surface (of); stop after getting a little knowledge of a subject or about sth
❍ 有些人下去，只是走马看花，～。Some people went to the grass-roots units merely to “look at the flowers while on horseback” and be satisfied with just a smattering of knowledge.
浅尝辄止
stop after gaining a little knowledge about sth;be content (or content oneself) with a smattering of knowledge;make a superficial study only
浅尝辄止qiǎn chánɡ zhé zhǐ
辄：就。略微尝试一下就停止了。指学习上不深入钻研。be satisfied with a smattering of a subject, not to go into a subject in depth, put away the cup after taking a tiny sip