Examples
当然会的，不过上海话不太会讲。
Sure I can, although I can't really speak Shanghainese.
Source: Tatoeba
上海人讲上海话；上海人也都会讲普通话。
People from Shanghai speak Shanghainese; they can also speak Mandarin.
Source: Tatoeba
你和你妈用上海话聊天的时候，我只听得懂几个词，所以我插不上话。
When you speak Shanghainese with your mum, I only understand a few words, so I can't join in the conversation.
Source: Tatoeba