2mouh chihng gāi 無情雞 — merciless chicken; to be fired (if when lunching with one's boss on the 16th day of the 12 month in the lunar calendar the chicken's head is pointing at someone then the belief is that that person is about to lose their job).
3mouh duhk bāt jeuhng fū 無毒不丈夫 — to be a tough man, to be cold-blooded, to be ruthless (gywl 27, 30).
4mouh dyūn dyūn 無端端 — for no reason, pointlessly; without explanation.
5mouh lāa lāa 無嗱嗱 — without reason, for no reason (st 6, 30).
6mouh làai 無賴 — of bad character, low class (people).
7mouh lán liuh liuh 無閒踎踎 — an obscene expression meaning to fool around, to mess around.