1. 一知半解：ajar 半开半掩 | smatter 一知半解 | mince 半吞半吐

2. 充内行：smashing 猛烈的 | smashup 猛撞 | smatter 充内行

3. 充内行/一知半解/肤浅的知识：smashup /猛撞/翻覆/惨败/ | smatter /充内行/一知半解/肤浅的知识/ | smatterer /半吊子/半瓶醋/

4. 充内行 (动)：smashup 破碎, 猛撞, 粉碎 (名) | smatter 充内行 (动) | smattering 略知, 少数 (名)

verb

1. speak with spotty or superficial knowledge

e.g. She smatters Russian

2. to talk foolishly

e.g. The two women babbled and crooned at the baby

Synonym: babbleblatherbletherblither

3. work with in an amateurish manner

e.g. She dabbles in astronomy
He plays around with investments but he never makes any money

Synonym: dabbleplay around