請自便，在這裏妳不受限制。
Suit yourself, but I had hoeped that you would come and help.
請自便，不過我曾希望過妳能來幫忙。
When Bob insisted on going, John left him to himself.
鮑勃壹定要走，約翰便聽其自便了，
You is free to come and go as you please.
妳來去自便。