3#三思 % N0 F, v3 z7 y: \+ O( i0 H4 A 9 x/ N! h% m [: i' i; ~, m4 O9 s+ b8 s
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.