Hafsa reported that when it was dawn, the Messenger of Allah ﷺ did not observe (any other prayers) but two short rak'ahs.  

كَانَ رَسُولُ اللَّهِ ﷺ إِذَا طَلَعَ الْفَجْرُ لاَ يُصَلِّي إِلاَّ رَكْعَتَيْنِ خَفِيفَتَيْنِ  

The Prophet ﷺ used to pray the two rak'ahs of Fajr, two brief rak'ahs.  

عَنِ النَّبِيِّ ﷺ أَنَّهُ كَانَ يُصَلِّي رَكْعَتَىِ الْفَجْرِ رَكْعَتَيْنِ خَفِيفَتَيْنِ  

The Messenger of Allah ﷺ used to pray two rak'ahs when dawn had broken.  

أَنَّ رَسُولَ اللَّهِ ﷺ كَانَ يُصَلِّي رَكْعَتَيْنِ إِذَا طَلَعَ الْفَجْرُ  

"When dawn came, the Messenger of Allah ﷺ would not pray anything but two brief rak'ahs."  

أَنَّهَا قَالَتْ كَانَ رَسُولُ اللَّهِ ﷺ إِذَا طَلَعَ الْفَجْرُ لاَ يُصَلِّي إِلاَّ رَكْعَتَيْنِ خَفِيفَتَيْنِ  

Told him that when the Muaddhin fell silent, Messenger of Allah ﷺ would pray two brief rak'ahs. (Using translation from Nasāʾī 1772)   

أَنَّ رَسُولَ اللهِ ﷺ كَانَ يُصَلِّي رَكْعَتَيْنِ خَفِيفَتَيْنِ إِذَا بَدَا الْفَجْرُ  

"When the dawn appears, the Messenger of Allah ﷺ would only pray two short Rak'ahs." (Using translation from Nasāʾī 583)  

أَنَّهَا قَالَتْ كَانَ رَسُولُ اللهِ ﷺ إِذَا طَلَعَ الْفَجْرُ لَا يُصَلِّي إِلَّا رَكْعَتَيْنِ خَفِيفَتَيْنِ  

"When the dawn appears, the Messenger of Allah ﷺ would only pray two short Rak'ahs." (Using translation from Nasāʾī 583)   

«كَانَ رَسُولُ اللَّهِ ﷺ إِذَا طَلَعَ الْفَجْرُ لَا يُصَلِّي إِلَّا رَكْعَتَيِ الْفَجْرِ»  

[Machine] "When the dawn came, the Messenger of Allah, ﷺ , used to pray two light rak'ahs."  

«كَانَ رَسُولُ اللهِ ﷺ إِذَا طَلَعَ الْفَجْرُ صَلَّى رَكْعَتَيْنِ خَفِيفَتَيْنِ»  

[Machine] "The Messenger of Allah, ﷺ , used to pray two light units of prayer after the rising of dawn."  

«أَنَّ رَسُولَ اللهِ ﷺ كَانَ يُصَلِّي بَعْدَ طُلُوعِ الْفَجْرِ رَكْعَتَيْنِ خَفِيفَتَيْنِ»  

[Machine] The translation for the passage "أَنَّ النَّبِيَّ ﷺ كَانَ «إِذَا طَلَعَ الْفَجْرُ صَلَّى رَكْعَتَيْنِ خَفِيفَتَيْنِ»" into English is "The Prophet ﷺ used to pray two light rak'ahs when dawn broke."  

أَنَّ النَّبِيَّ ﷺ كَانَ «إِذَا طَلَعَ الْفَجْرُ صَلَّى رَكْعَتَيْنِ خَفِيفَتَيْنِ»  

[Machine] "The Prophet ﷺ used to pray two quick light units of prayer when dawn approached."  

«كَانَ النَّبِيُّ ﷺ إِذَا طَلَعَ الْفَجْرُ صَلَّى رَكْعَتَيْنِ خَفِيفَتَيْنِ»  

The Messenger of Allah ﷺ used to pray two rak'ahs when dawn had broken. (Using translation from Nasāʾī 1775)  

«أَنَّ رَسُولَ اللهِ ﷺ كَانَ يُصَلِّي رَكْعَتَيْنِ إِذَا طَلَعَ الْفَجْرُ»  

[Machine] The Prophet ﷺ used to pray two units (rak'ahs) when Fajr (dawn) emerged.  

أَنَّ النَّبِيَّ ﷺ كَانَ «يُصَلِّي رَكْعَتَيْنِ إِذَا طَلَعَ الْفَجْرُ»  

[Machine] That the Prophet ﷺ used to pray two light units (rak'ahs) when dawn breaks.  

أَنَّ النَّبِيَّ ﷺ كَانَ «يُصَلِّي سَجْدَتَيْنِ خَفِيفَتَيْنِ إِذَا طَلَعَ الْفَجْرُ»  

[Machine] The Prophet ﷺ used to pray two light-raka'at when he saw the dawn.  

أَنَّ النَّبِيَّ ﷺ كَانَ «إِذَا رَأَى الْفَجْرَ صَلَّى رَكْعَتَيْنِ خَفِيفَتَيْنِ»  

Hafsa reported that when it was dawn, the Messenger of Allah ﷺ did not observe (any other prayers) but two short rak'ahs. (Using translation from Muslim 723c)  

كَانَ رَسُولُ اللهِ ﷺ «إِذَا طَلَعَ الْفَجْرُ لَا يُصَلِّي إِلَّا رَكْعَتَيْنِ خَفِيفَتَيْنِ»  

"When the dawn appears, the Messenger of Allah ﷺ would only pray two short Rak'ahs." (Using translation from Nasāʾī 583)  

أَنَّهَا قَالَتْ «إِنَّ رَسُولَ اللهِ ﷺ كَانَ إِذَا طَلَعَ الْفَجْرُ لَا يُصَلِّي إِلَّا رَكْعَتَيْنِ خَفِيفَتَيْنِ»  

It was narrated from Ibn ‘Umar that when the dawn illuminated, the Prophet ﷺ would pray two Rak’ah. (Using translation from Ibn Mājah 1143)   

أَنَّ النَّبِيَّ ﷺ كَانَ إِذَا طَلَعَ الْفَجْرُ صَلَّى رَكْعَتَيْنِ  

"إذا طَلَعَ الفجرُ فلا صلاةَ إلَّا ركعتى الْفجْر" .