# put out his eyes

This means that they removed his eyes from his head. Alternate translation: "removed his eyes" (See: [[rc://en/ta/man/translate/figs-idiom]])

# down to Gaza

The phrase "down to" is used here because they brought Samson to Gaza which is lower in elevation than his home where they captured him.

# bound him with bronze shackles

"chained him with bronze shackles" or "tied him up using bronze shackles"

# shackles

locks on the end of chains that hold a prisoner at his feet or hands, or both

# turned the millstone

"pulled the millstone around in a circle"

# millstone

This is a very large, heavy, circular stone. Normally, a large animal pulls the millstone around in a circle to crush grain. Here the Philistines humiliate Samson by making him pull it.