17.I must say or I have to say<口>我得说；我不得不说
I'm not happy about it, I have to say.我得说, 我对此并不满意。
18.I say!<英,过时>(expressing strong emotion)我说；听着
Oh I say, that really is a nuisance!唉, 听着, 那真是讨厌！
(attracting attention)喂
I say, waiter!喂, 服务员！
(for emphasis)啊呀；哎呀
I say, what a gorgeous girl!哎呀, 真是个美女！