1) not fully understand
半懂半不懂
2) He didn't even begin to understand.
他半点儿也不懂.
3) Do we understand it?
懂不懂呀？
5) Don't claim to know what you don't know
不要不懂装懂
6) nonintelligible cross talk
不懂串音
补充资料：不要
1.表示禁止和劝阻。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条