created sense approved 半桶水 · bàntǒngshuǐ · dabbler
半桶水
bàntǒngshuǐ
dabbler
a person who possesses only a smattering of knowledge in a particular field
别看他谈得头头是道，其实他就是个半桶水。
created sense approved 半桶水 · bàntǒngshuǐ · superficial
半桶水
bàntǒngshuǐ
superficial
referring to skills or knowledge that are limited, half-baked, or shallow
他的德语只是半桶水，勉强能沟通。