# Why do you look ... brother's eye, but you do not notice the log that is in your own eye?

Jesus challenges the people to pay attention to their own sins before they pay attention to another person's sins. Alternate translation: "Do not look ... brothers eye while you ignore the log that is in your own eye." 

# tiny piece of straw

"speck" or "splinter" or "bit of dust." Use a word for the smallest thing that commonly falls into a person's eyes.

# brother

Here "brother" refers to a fellow Jew or a fellow believer in Jesus.

# log

"beam" or "plank"