啞口無言

Mute or dumb; unable to speak; hoarse or husky voice; sound of cawing or an infant's first sounds; a dud (bullet, bomb).

Mouth; opening; entrance; gate; classifier for people, animals, or mouthfuls; sharp edge of a weapon or tool; place of rupture or crack.

Not to have; no; none; not; to lack; un-; -less; used in Buddhist phrases like 'namo'.

Words; speech; to say; to talk; to speak; to state; to tell; to ask.