x同s個音好似...點樣讀好d?

x [eks]<----------------------EKs<-------- There is a " k" sound.

s [es] <----------------------No " k" sound
Example:
Sexy = [sek si] <-----------k sound too
toys= " s" in " toys" = ( s= 時)

If you are still in doubt, please send me an email for
a sound file.
PS: I am a native English speaker.

x
/eks/
音較短促,帶有k音
發音時咀型較扁
如廣東話'碧'字既韻母加's'音

s
/es/
音比x較長
發音時咀型比較大
如廣東話'咩'字既韻母加's'音

x 是 矣 可 斯
s 是 矣 斯 少一個中間的 k 音