Help yourself. You are ad lib here.請自便，在這里你不受限制。Suit yourself, but I had hoeped that you would come and help.請自便，不過我曾希望過你能來幫忙。When Bob insisted on going, John left him to himself.鮑勃一定要走，約翰便聽其自便了，You is free to come and go as you please.你來去自便。