3#三思 ! p1 h; \" T$ n! V( i7 H9 m' g3 ` ) f; F5 _5 S( Y1 v . c! T. |, J, ~! s0 t3 }$ SI 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.