When he came out, he could not speak to them. They realized he had seen a vision in the temple, for he kept making signs to them but remained unable to speak.
NIV
But when he did come out, he was unable to speak to them; and they [clearly] perceived that he had seen a vision in the sanctuary; and he kept making signs to them, still he remained dumb.
AMP
And when he came out, he could not speak unto them: and they perceived that he had seen a vision in the temple: for he beckoned unto them, and remained speechless.
KJV
He then said to me: "Son of man, I am about to cut off the food supply in Jerusalem. The people will eat rationed food in anxiety and drink rationed water in despair,"
NIV
Moreover, He said to me, Son of man, behold, I will break the staff of bread [by which life is supported] in Jerusalem; and they shall eat bread rationed by weight and with fearfulness, and they shall drink water rationed by measure and with dismay (silent, speechless grief caused by the impending starvation), [Lev. 26:26; Ps. 105:16; Isa. 3:1.]AMP
Moreover he said unto me, Son of man, behold, I will break the staff of bread in Jerusalem: and they shall eat bread by weight, and with care; and they shall drink water by measure, and with astonishment:
KJV
"At that time your mouth will be opened; you will speak with him and will no longer be silent. So you will be a sign to them, and they will know that I am the LORD."
NIV
In that day your mouth shall be open to him who has escaped, and you shall speak and be no more speechless, and you shall be a sign to them and they shall know, understand, and realize that I am the Lord.
AMP
In that day shall thy mouth be opened to him which is escaped, and thou shalt speak, and be no more dumb: and thou shalt be a sign unto them; and they shall know that I am the LORD.
KJV