In plain words
And remembering again and again that most wondrous form of Hari, great is my amazement, O king, and I rejoice again and again.
Word for word
And remembering and remembering that most wondrous form of Hari, great is my amazement, O king, and I rejoice again and again.
The commentators
Bhagavadgītābhāṣyam· bhāṣya
तच्च संस्मृत्य संस्मृत्य रूपम् अत्यद्भुतं हरेः विश्वरूपं विस्मयो मे महान् राजन् , हृष्यामि च पुनः पुनः ॥ ७७ ॥
In plain words
And that form of Hari, past all wonder — the universe itself as his body — I remember it, and remember it again, and the astonishment in me is enormous, O King. Again and again the joy runs through me.
Close to the Sanskrit
And having remembered, having remembered that exceedingly wondrous form of Hari, the universal form — great is my astonishment, O King, and I thrill again and again.