3#三思 2 u o( t J5 Q9 }7 v C) x. i 9 i" Y/ x0 F% q8 R0 J$ I8 G! Q& ^5 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.