记忆犹新to remain fresh is one’s memory;remember vividly

急于求成anxious for quick results;to demand instant success;impatient for result;impetuous

家喻户晓understood by everyone;well known;a household name

健步如飞fleet footed (lit. running as fast as flying)

见多识广experienced and knowledgeable

见义勇为to see what is right and act courageously;to stand up bravely for the truth;acting heroically in a just cause

江郎才尽have used up one’s literary talent/energy

竭尽全力to spare no effort;to do one’s utmost

嗟来之食food rudely offered;grudging handout;help grudgingly

今非昔比to see improvement in the present compared to the past (can be a fact or an opinion)