既然你已经来了最好还是住下的英文

now that you are here you'd better stay

• 既然:    since; as; now tha ...
• 你:    you
• 已经:    already
• 来:    come; arrive
• 了:    finish; complete; ...
• 最好:    best; first-rate
• 还是:    still; nevertheles ...
• 住:    live; lodge; resid ...
• 下:    below; down; under ...