It's fine with me. 这我没意见。 I guess it couldn't hurt. 我想这不碍事。 There's no harm in trying. Why not. I'll go along. 试一下不妨。好啊!我附和你们。 How can I say no? The sky's the limit. 这教我如何拒绝呢? 海阔天空,无所限制。