enoch also like this sometime... when he is very 'man'... then he will 擘大口but 無聲... and then after a few seconds..will 'wahhhhh' very loudly.
but won't 面色和咀仔轉晒色 bor... if you saw 謙謙面色和咀仔轉晒色... you of course should 安撫佢 first... And I think next time when you see him want to cry but 擘大口but 無聲.. then try to use some other things to distract him ... and see if this can stop him from trying to cry???