3#三思 3 W, S& ] G7 o1 K4 F( p# H1 s3 ^$ s: q1 e7 Y% y; z
4 h5 w4 P( h+ u" O/ N P" A; V
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.