(21:4) The Prophet said, “My Lord knows whatever is said throughout the heaven and earth, and He is the Hearing, the Knowing.”
Muhammad Taqi-ud-Din al-Hilali and Muhammad Muhsin Khan,
(21:4) He (Muhammad SAW) said: “My Lord knows (every) word (spoken) in the heavens and on earth. And He is the All-Hearer, the All-Knower.”
Mohammed Marmaduke William Pickthall
(21:4) He saith: My Lord knoweth what is spoken in the heaven and the earth. He is the Hearer, the Knower.
Abdullah Yusuf Ali
(21:4) Say: “My Lord knoweth (every) word (spoken) in the heavens and on earth: He is the One that heareth and knoweth (all things).”
Mohammad Habib Shakir
(21:4) He said: My Lord knows what is spoken in the heaven and the earth, and He is the Hearing, the Knowing.
Dr. Ghali
(21:4) He has said, “My Lord knows what is said (Literally: the saying) in the heaven and the earth, and He is The Ever – Hearing, The Ever – Knowing.”
Ali Unal
(21:4) (The Messenger) says (in response): “My Lord knows every word spoken in the heaven and on the earth. He is the All-Hearing, the All-Knowing.”
Amatul Rahman Omar
(21:4) (On the contrary the Prophet´s way is different.) He replied, `My Lord knows what is conceived in the heaven and the earth. And He is the All-Hearing, the All-Knowing.´
Literal
(21:4) He said: “My Lord knows the saying/opinion and belief in the skies/space and the earth/Planet Earth, and He is the hearing/listening, the knowledgeable.”
Ahmed Ali
(21:4) He said: “My Lord knows whatever is spoken in the heavens and the earth. He hears all and knows everything.”
A. J. Arberry
(21:4) He says: ‘My Lord knows what is said in the heavens and the earth, and He is the All-hearing, the All-knowing.’
Abdul Majid Daryabadi
(21:4) The Prophet said: my Lord knoweth the word in the heavens and the earth, and He is the Hearer, the Knower.
Maulana Mohammad Ali
(21:4)-
Muhammad Sarwar
(21:4) The Lord said, “Tell them (Muhammad), ‘My Lord knows all that is said in the heavens and the earth. He is All-hearing and All-knowing “.
Hamid Abdul Aziz
(21:4) Their heart trifling with it (or pre-occupied elsewhere). And those who do wrong discourse secretly, saying, “Is this man aught but a mortal like yourselves? Will you succumb to magic with open eyes?”
Faridul Haque
(21:4) And the Prophet said, “My Lord knows all that is spoken in the heavens and in the earth
Talal Itani
(21:4) He said, My Lord knows what is said in the heaven and the earth; and He is the Hearer, the Knower.
Ahmed Raza Khan
(21:4) And the Prophet said, My Lord knows all that is spoken in the heavens and in the earth; and He only is the All Hearing, the All Knowing.”
Wahiduddin Khan
(21:4) Say, “My Lord knows every word spoken in the heavens and on the earth. He is All Hearing, All Knowing.”
Safi-ur-Rahman al-Mubarakpuri
(21:4) He said: “My Lord knows what is said in the heavens and on earth. And He is the All-Hearer, the All-Knower.”
Ali Quli Qarai
(21:4) He said, My Lord knows every word [spoken] in the sky and on the earth, and He is the All-hearing, the All-knowing.
Hasan al-Fatih Qaribullah and Ahmad Darwish
(21:4) He said: ‘My Lord has knowledge of what is said in the heavens and on earth. He is the Hearer, the Knower’
That is translated surah Al Anbiya ayat 4 (QS 21: 4) in arabic and english text, may be useful.