3#三思 ' _: q5 B. R# i8 Q( \7 W) {- L; Z ' U6 B" W, X; O' Q: F* U+ a0 s' ?" c# u) s6 o4 x8 T
I will use the fourth tune with a slow glide downwards instead of the first tune, you can double check it from a native speaker or English dict for the [i:], it is not in a flat tune.