没关系，慢慢来。

The phrase '没关系' (méi guān xi) literally translates to 'no relation' or 'it doesn't matter,' and is commonly used to express 'it's okay' or 'never mind.' The character '没' (méi) means 'no' or 'not have.' The character '关' (guān) means 'to close,' 'to shut,' or 'to concern.' The character '系' (xì) means 'to tie,' 'to connect,' or 'system.' Together, '关系' (guān xi) means 'relation' or 'relationship.' The phrase '慢慢来' (màn màn lái) literally translates to 'slowly slowly come,' and is used to encourage someone to take their time or not to rush. The character '慢' (màn) means 'slow.' The repetition of '慢' emphasizes the slowness, similar to how 'slowly slowly' might be used in English. The character '来' (lái) means 'to come' or 'to arrive.' Therefore, the entire phrase '没关系，慢慢来' is a comforting and encouraging expression, indicating that there is no need to worry or rush, and that the person should proceed at their own pace.