びっくりして開いた口が塞がらなかった。の英語

He was in open-mouthed amazement.

Astonishment deprived me of my power of speech.

to be in open-mouthed surprise―to gape and stare

I am too amazed at him to say anything.

struck dumb

No one said anything.

No one spoke.

My tongue failed me.

I carelessly allowed the door to stand open.

A fly does not fly into a shut mouth.

Beyond a doubt, this is certainly what it means to be dumbfounded.

Whatever happens, I'll not tell anybody about it.

She couldn't stop her mouth once she opened it.

D-drat! I didn't mean to let that slip..

his mouth slightly opened

Don't chew with your mouth open.

Ouch! I burned my mouth.

I no longer have the energy to talk.

Much to my surprise, the door opened noiselessly.

Words failed me at that time.

For all my shoving and tugging the door would not open.

You spoke too soon.

When the door slammed unexpectedly, it startled me.

things left unsaid

He hinted that he was dissatisfied―hinted at dissatisfaction.

Keep your mouth shut and your eyes open.

He does not know how to speak properly.

I was frightened when the door suddenly closed.

I don't speak fast.

You must not speak with your mouth full.