Again, to sound natural that T in " grateful" should be glottalised.

同样，将 grateful 里的 T 喉塞化听起来会更自然。

I didn't say " Appreciate iT" , I glottalised the final T: " Appreciate it" .

我不是说 Appreciate iT，我把末尾的 T 喉塞化了，Appreciate it。