倒是 often introduces a contrast or concession. It can mean 'actually' (contrary to what you'd expect) or soften a statement: 倒是可以 = 'well, that could work.'
grammar
倒是 is placed before the adjective/verb it modifies. It often pairs with 就是 (jiùshì, it's just that...) in A倒是B，就是C patterns.
